SOUTHWEST AIRLINES CO
10-K, 1996-03-28
AIR TRANSPORTATION, SCHEDULED
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<PAGE>   1
================================================================================

                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                                   FORM 10-K

(Mark One)
[X]      ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES
         EXCHANGE ACT OF 1934 [FEE REQUIRED] 
For the Fiscal Year Ended December 31, 1995 or 
[ ]      TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES
         EXCHANGE ACT OF 1934 [NO FEE REQUIRED] 
For the transition period from ____________ to ____________

Commission File No. 1-7259

                             SOUTHWEST AIRLINES CO.
             (Exact name of registrant as specified in its charter)

             TEXAS                                               74-1563240
(State of other jurisdiction of                               (I.R.S. employer
incorporation or organization)                               identification no.)

            P.O. BOX 36611
            DALLAS, TEXAS                                         75235-1611
(Address of principal executive offices)                          (Zip Code)

      Registrant's telephone number, including area code:  (214) 904-4000

          SECURITIES REGISTERED PURSUANT TO SECTION 12(b) OF THE ACT:

<TABLE>
<CAPTION>
                                                       NAME OF EACH EXCHANGE
    TITLE OF EACH CLASS                                 ON WHICH REGISTERED
    -------------------                                ---------------------
<S>                                                <C>
Common Stock ($1.00 par value)                     New York Stock Exchange, Inc.
Common Share Purchase Rights                       New York Stock Exchange, Inc.
</TABLE>

          SECURITIES REGISTERED PURSUANT TO SECTION 12(g) OF THE ACT:

                                      None

         Indicate by check mark whether the registrant (1) has filed all
reports required to be filed by Section 13 or 15(d) of the Securities Exchange
Act of 1934 during the preceding 12 months (or for such shorter period that the
registrant was required to file such reports), and (2) has been subject to such
filing requirements for the past 90 days.    Yes [X]          No [ ]

         Indicate by check mark if disclosure of delinquent filers pursuant to
Item 405 of Regulation S-K is not contained herein, and will not be contained,
to the best of registrant's knowledge, in definitive proxy or information
statements incorporated by reference in Part III of this Form 10-K or any
amendment to this Form 10-K.   [ ]

Aggregate market value of Common Stock held by nonaffiliates as of February 29,
                                     1996:

                                 $4,352,674,000

  Number of shares of Common Stock outstanding as of the close of business on
                              February 29, 1996:

                               144,399,522 shares

                      DOCUMENTS INCORPORATED BY REFERENCE

         Proxy Statement for Annual Meeting of
         Shareholders, May 16, 1996:                        PART III

================================================================================

<PAGE>   2
                                     PART I

ITEM 1. BUSINESS

DESCRIPTION OF BUSINESS

         Southwest Airlines Co. (Southwest) is a major domestic airline that
provides shorthaul, high frequency, point- to-point, low fare service.
Southwest was incorporated in Texas and commenced Customer Service on June 18,
1971 with three Boeing 737 aircraft serving three Texas cities - Dallas,
Houston, and San Antonio.

         At yearend 1995, Southwest operated 224 Boeing 737 aircraft and
provided service to 46 airports in 45 cities primarily in the midwestern,
southwestern, and western regions of the United States.  Southwest commenced
service to Tampa and Ft. Lauderdale, Florida in January 1996 and will begin
service to Orlando, Florida in April 1996.

         On December 31, 1993, Southwest acquired Morris Air Corporation
(Morris) in a stock-for-stock exchange, issuing approximately 3.6 million
shares of Southwest Common Stock in exchange for all of the outstanding shares
of Morris.  During 1994, the operations of Morris were substantially integrated
with those of Southwest, and Morris ceased service as a certificated air
carrier in March 1995.  Unless the context requires otherwise, references in
this annual report to the "Company" include Southwest and Morris.

         The business of the Company is somewhat seasonal.  Quarterly operating
income and, to a lesser extent, revenues tend to be lower in the first quarter
(January 1 - March 31).

FUEL

         The cost of fuel is an item having significant impact on the Company's
operating results.  The Company's average cost of jet fuel per gallon for
scheduled carrier service over the past five years was as follows:

<TABLE>
                        <S>                       <C>
                        1991                      $.66
                        1992                      $.61
                        1993                      $.59
                        1994                      $.54
                        1995                      $.55
</TABLE>

         The Company is unable to predict the extent of future fuel cost
changes.  The Company has standard industry arrangements with major fuel
suppliers.  Standard industry fuel contracts do not provide material protection
against price increases or for assured availability of supplies.  The Company
uses various price-risk management techniques, including derivative products
such as fixed-price swaps, caps, and collars, to help protect against price
increases.  To date, not more than two percent of then-current usage was hedged
in this manner.  Although market conditions can significantly impact the price
of jet fuel, at present, these conditions have not resulted in an inadequate
supply of jet fuel.  For more discussion of current jet fuel costs and the
impact of these costs on the Company's operations, see Management's Discussion
and Analysis of Financial Condition and Results of Operations.





                                       1
<PAGE>   3
REGULATION

         Economic.  The Dallas Love Field section of the International Air
Transportation Competition Act of 1979 (Competition Act), as it affects
Southwest's scheduled service, provides that no common carrier may provide
scheduled passenger air transportation for compensation between Love Field and
one or more points outside Texas, except that an air carrier may transport
individuals by air on a flight between Love Field and one or more points within
the states of Arkansas, Louisiana, New Mexico, Oklahoma, and Texas if (a) "such
air carrier does not offer or provide any through service or ticketing with
another air carrier" and (b) "such air carrier does not offer for sale
transportation to or from, and the flight or aircraft does not serve, any point
which is outside any such states."   Southwest does not interline or offer
joint fares with any other air carrier.  The Competition Act does not restrict
Southwest's intrastate Texas flights or its air service from points other than
Love Field to points beyond Texas and the four contiguous states.

         The Department of Transportation (DOT) has significant regulatory
jurisdiction over passenger airlines.  Unless exempted, no air carrier may
furnish air transportation over any route without a DOT certificate of
authorization, which does not confer either exclusive or proprietary rights.
The Company's certificates are unlimited in duration and permit the Company to
operate among any points within the United States, its territories and
possessions, except as limited by the Love Field section of the Competition
Act, as do the certificates of all other U.S. carriers.  DOT may revoke such
certificates, in whole or in part, for intentional failure to comply with any
provisions of subchapter IV of the Federal Aviation Act of 1958, or any order,
rule or regulation issued thereunder or any term, condition or limitation of
such certificate; provided that, with respect to revocation, the certificate
holder has first been advised of the alleged violation and has been given a
reasonable time to effect compliance.

         DOT prescribes uniform disclosure standards regarding terms and
conditions of carriage, and prescribes that terms incorporated into the
Contract of Carriage by reference are not binding upon passengers unless notice
is given in accordance with its regulations.

         The national budget impasse, lapse of the 10 percent ticket tax and
its presumed reinstatement and proposed deferral of the jet fuel tax present
uncertainty for 1996 and future periods.  Further, several bills have been
introduced in Congress with a goal of "reforming" the Federal Aviation
Administration ("FAA") by, among other things, modifying the method of funding
the FAA.  At the current time, Southwest is unable to predict how these issues
will be resolved and what impact, if any, resolution of these uncertainties
will have on future operating results or financial condition.

         Safety.  The Company is subject to the jurisdiction of the FAA with
respect to its aircraft maintenance and operations, including equipment, ground
facilities, dispatch, communications, flight training personnel, and other
matters affecting air safety.  To ensure compliance with its regulations, the
FAA requires airlines to obtain operating, airworthiness and other certificates
which are subject to suspension or revocation for cause.  The Company has
obtained such certificates.  The FAA, acting through its own powers or through
the appropriate U. S. Attorney, also has the power to bring proceedings for the
imposition and collection of fines for violation of the Federal Air
Regulations.

         Environmental.  The Airport Noise and Capacity Act of 1990 (ANCA)
requires the phase out of Stage 2 airplanes (which meet less stringent noise
emission standards than later model Stage 3 airplanes) in the contiguous 48
states by December 31, 1999.   FAA rules establish future interim compliance
dates for ANCA of December 31, 1996 and December 31, 1998.  An operator may
comply by either implementing a reduction of the operator's base level, as
defined in ANCA, of Stage 2 aircraft by at least 50 percent at December 31,
1996 and 75 percent at December 31, 1998, or by operating a fleet that is at
least 65 percent Stage 3 by December 31, 1996 and 75 percent by December 31,
1998.  Selection of





                                       2
<PAGE>   4
one of the two alternative compliance techniques is not irrevocable and
operators are free to opt for one method at one compliance date and another at
the next.  Operation of Stage 2 aircraft after December 31, 1999 is prohibited,
subject, however, to an extension of the final compliance date to December 31,
2003, if at least 85 percent of the aircraft used by the operator in the
contiguous United States will comply with Stage 3 noise levels by July 1, 1999
and the operator successfully obtains a waiver from the FAA of the December 31,
1999 final phaseout date.  Statutory requirements to obtain a waiver include a
determination by the FAA that the waiver is in the public interest or would
enhance competition or benefit service to small communities.  There is no
assurance that such a waiver is obtainable.

         The Company's fleet, as of December 31, 1995, consisted of 50 Stage 2
aircraft and 174 Stage 3 aircraft, yielding a Stage 3 percentage of 78 percent.
Accordingly, the Company exceeds the Stage 3 fleet percentage requirement for
the December 31, 1996 and December 31, 1998 interim compliance dates.

         As of December 31, 1995, of the 50 Stage 2 aircraft operated by the
Company, 30 are leased from third parties and 20 are owned by the Company.  The
Company can comply with the rules by acquiring additional Stage 3 aircraft,
returning Stage 2 aircraft to the lessors as the leases terminate according to
their terms, retiring owned Stage 2 aircraft, or hushkitting Stage 2 aircraft.
Because the Company already complies with the December 31, 1998 interim
compliance requirement of a 75 percent Stage 3 fleet, the Company could operate
all 50 of its Stage 2 aircraft until December 31, 1999.  Based upon the
Company's current schedule for delivery of new Stage 3 aircraft, including
options, and the Company's planned retirement schedule for Stage 2 aircraft,
assuming no hushkitting, the Company will achieve 85 percent compliance by July
1, 1999.  This would qualify the Company to apply for a waiver from the final
compliance date, which, if obtained, could permit the Company to continue
operation of the then  remaining 43 Stage 2 aircraft until, at the latest,
December 31, 2003.

         ANCA also requires the FAA to establish parameters within which any
new Stage 2 and Stage 3 noise or access restrictions at individual airports
must be developed.  The published rules generally provide that local noise
restrictions on Stage 3 aircraft first effective after October 1990 require FAA
approval, and establish a regulatory notice and review process for local
restrictions on Stage 2 aircraft first proposed after October 1990.  Certain
airports, including Dallas Love Field, Los Angeles, San Diego, San Francisco,
and Orange County, have established airport restrictions to limit noise,
including restrictions on aircraft types to be used and limits on the number of
hourly or daily operations or the time of such operations.  In some instances,
these restrictions have caused curtailments in service or increases in
operating costs and such restrictions could limit the ability of Southwest to
expand its operations at the affected airports.  Local authorities at other
airports are considering adopting similar noise regulations.

         Operations at John Wayne Airport, Orange County, California, are
governed by the Airport's Phase 2 Commercial Airline Access Plan and Regulation
(the "Plan").  Pursuant to the Plan, each airline is allocated total annual
seat capacity to be operated at the airport, subject to renewal/reallocation on
an annual basis.  Service at this airport may be adjusted annually to meet
these requirements.

         The Company is subject to various other federal, state, and local laws
and regulations relating to the protection of the environment, including the
discharge of materials into the environment.

MARKETING AND COMPETITION

          Southwest focuses on point-to-point, rather than hub-and-spoke,
service in shorthaul markets with frequent, conveniently timed flights, and low
fares.  For example, Southwest's average aircraft trip length in 1995 was 400
miles with an average duration of approximately one hour.  At yearend,
Southwest served 350 nonstop city pairs with an average weekday frequency of
six roundtrips per city pair.


                                       3
<PAGE>   5
         Southwest's point-to-point route system, as compared to hub-and-spoke,
provides for more direct nonstop routings for shorthaul customers and,
therefore, minimizes connections, delays, and total trip time.  Southwest
focuses on local, not connecting, traffic.  As a result, approximately 80
percent of the Company's customers fly nonstop. In addition, Southwest serves
many conveniently-located satellite or downtown airports such as Dallas Love
Field, Houston Hobby, Chicago Midway, Baltimore, Burbank, Oakland, San Jose and
Ft. Lauderdale airports, which are typically less congested than other
airlines' hub airports and enhance the Company's ability to sustain high
employee productivity and reliable ontime performance.  This operating strategy
also permits the Company to achieve high asset utilization.  Aircraft are
scheduled to minimize the amount of time the aircraft is at the gate,
approximately 20 minutes, thereby reducing the number of aircraft and gate
facilities that would otherwise be required.  Southwest does not interline with
other jet airlines, nor have any commuter feeder relationships.

         Southwest employs a very simple fare structure, featuring low,
unrestricted, unlimited everyday coach fares.  The Company operates only one
aircraft type, the Boeing 737, which simplifies scheduling, maintenance, flight
operations, and training activities.

         In May 1994, the computer reservations systems (CRSs) owned by United
Airlines (Apollo) and Continental Airlines (System One) disabled automated
ticketing for Southwest travel.  Rather than pay the fees associated with CRS
participation in Apollo and System One, Southwest took the following actions: 
Southwest introduced a Ticketless travel option, available system-wide in
January 31, 1995, eliminating the need to print a paper ticket altogether;
provided direct access to its own reservation system and ticketing for the 50
largest travel agencies (SWAT); instituted overnight delivery of
Southwest-produced tickets for approximately 300 large travel agencies; and
improved access to Ticket By Mail for direct Customers by reducing the time
limit from seven days out from the date of travel to three days.  Southwest
also entered into a new arrangement with SABRE, the CRS in which Southwest has
histori- cally participated to a limited extent, providing for ticketing and
automated booking on Southwest in a very cost- effective manner.  By December
31, 1995, approximately 35% of Southwest's customers were choosing the
ticketless travel option.
         
         The airline industry is highly competitive as to fares, frequent flyer
benefits, routes, and service, and some carriers competing with the Company
have greater financial resources, larger fleets, and wider name recognition.
Several of the Company's larger competitors have initiated or are studying
low-cost, shorthaul service in markets served by the Company, which represents
a more direct threat in Southwest's market niche. Profit levels in the air
transport industry are highly sensitive to changes in operating and capital
costs and the extent to which competitors match an airline's fares and
services.  The profitability of a carrier in the airline industry is also
impacted by general economic trends.  For more discussion on the current
competitive environment for Southwest, see Management's Discussion and Analysis
of Financial Condition and Results of Operations.

         The Company is also subject to varying degrees of competition from
surface transportation in its shorthaul markets, particularly the private
automobile.  In shorthaul air services which compete with surface
transportation, price is a competitive factor, but frequency and convenience of
scheduling, facilities, transportation safety, and Customer Service may be of
equal or greater importance to many passengers.

INSURANCE

         The Company carries insurance of types customary in the airline
industry and in amounts deemed adequate to protect the Company and its property
and to comply both with federal regulations and certain of the Company's credit
and lease agreements.  The policies principally provide coverage for public and
passenger liability, property damage, cargo and baggage liability, loss or
damage to aircraft, engines, and spare parts, and workers' compensation.





                                       4
<PAGE>   6
FREQUENT FLYER AWARDS

         Southwest's frequent flyer program, The Company Club, is based on
trips flown rather than mileage.  The Company Club offers one free roundtrip
travel award to any Southwest destination after flying eight roundtrips (or 16
one-way trips) on Southwest within a consecutive twelve-month period.

         The trips flown as credit towards a free travel award certificate are
valid for twelve months only; the free travel award is automatically generated
when earned by the Customer rather than allowing the Customer to bank the trip
credits indefinitely; and the free travel award is valid for one year with an
automatic expiration date.  Based on the issuance of free travel awards to
qualified members, coupled with the foregoing program characteristics and the
use of "black out" dates for the free travel awards during peak holiday
periods, the financial impact of free travel awards used on the Company's
consolidated financial statements has not been material.  Free travel awards
redeemed were approximately  417,000, 279,000, and 256,000 during 1995, 1994,
and 1993, respectively.  The amount of free travel award usage as a percentage
of total Southwest revenue passengers carried was 1.9 percent in 1995, 1.4
percent in 1994 and 1.5 percent in 1993.

         The Company accounts for free travel awards using the incremental cost
method, consistent with the other major airlines.  This method recognizes an
average incremental cost to provide roundtrip transportation to one additional
passenger.  The incremental cost to provide free transportation is accrued at
the time an award is earned and revenue is subsequently recognized, at the
amount accrued, when the free travel award is used.  The estimated incremental
costs include passenger costs such as beverage and snack supplies, baggage
claims, baggage handling, and liability insurance; operations costs such as
security services, airport rentals, fuel, oil, and into-plane charges; and
reservations costs, such as communications and system operations fees.  The
liability for free travel awards earned but not used at December 31, 1995 and
1994 was not material.

         The number of free travel awards for Southwest outstanding at December
31, 1995 and 1994 was approximately 295,000 and 248,000, respectively.  These
numbers do not include partially earned awards.  The Company currently does not
have a system to accurately estimate partially earned awards.  However, these
partially earned awards may equate to approximately 60-70 percent of the
current outstanding awards.  Since the inception of The Company Club in 1987,
approximately 15 percent of all award certificates have expired without being
used.

EMPLOYEES

         At December 31, 1995, Southwest had 19,933 employees, consisting of
5,499 flight, 872 maintenance, 11,368 ground customer service and 2,194
management, accounting, marketing, and clerical personnel.

         Southwest has nine collective bargaining agreements covering
approximately 83 percent of its employees.  Southwest's fleet service employees
are subject to an agreement with the Ramp, Operations and Provisioning
Association, which becomes amendable in December 1999.  Customer service and
reservation employees are subject to an agreement with the International
Association of Machinists and Aerospace Workers, AFL-CIO (IAM), which becomes
amendable in November 1997.  Flight attendants are subject to an agreement with
the Transportation Workers Union of America, AFL-CIO, which becomes amendable
May 31, 1996.  The pilots are subject to an agreement with the Southwest
Airlines Pilots' Association (SWAPA), which becomes amendable in September 1999
(described below).  Flight dispatchers are represented by the Southwest
Airlines Employees Association, pursuant to an agreement which becomes
amendable in November 1997.  Aircraft cleaners and stock clerks are subject to
agreements with the International Brotherhood of Teamsters, which become
amendable in August 2000. Mechanics and flight simulator technicians are
represented by the International Brotherhood of Teamsters





                                       5
<PAGE>   7
pursuant to separate agreements. The mechanics' agreement becomes amendable in
August 2001 and the flight simulator technicians are in negotiations.  The
flight/ground school instructors are subject to an agreement with the Southwest
Airlines Professional Instructors Association which becomes amendable in
December 2000. 

         In January 1995, Southwest's pilots ratified a ten-year labor contract
that calls for no wage increases in the first five years and three percent
annual wage increases in three of the last five years of the contract.
Initially, the pilots received options to purchase approximately 14.5 million
shares of Southwest common stock at $20 per share over the term of the
contract; pilots hired subsequently will receive additional grants at a five
percent premium over then current fair market value, up to a total of
18,000,000 shares that can be issued under the stock option plan.  Pilots will
be eligible for profitability bonuses of up to three percent of compensation in
three of the first five years and profitability-based pay increases up to three
percent in two of the second five years of the contract.  The pilot group may
choose to reopen the contract in five years, in which event all unexercised
options will terminate on December 1, 1999.

ITEM 2. PROPERTIES

AIRCRAFT

         Southwest operated a total of 224 Boeing 737 aircraft as of December
31, 1995, of which 100  and 13 were under operating and capital leases,
respectively.  The remaining 111 aircraft are owned.

         In January 1994, Southwest entered into an agreement with The Boeing
Company, pursuant to which Southwest is the launch customer for the Boeing
737-700 aircraft, the newest generation of the Boeing 737 aircraft type.  As
the launch customer, Southwest has agreed to purchase sixty-three Boeing
737-700 aircraft from 1997 to 2001, with options for an additional 63 737-700
aircraft from 1998 to 2004.

         In total, at December 31, 1995, the Company had 100 firm orders and 67
options as follows:

<TABLE>
<CAPTION>
       Type         Seats  1995   1996    1997   1998   1999    2000   2001  2002   2003   2004
       ----         -----  ----   ----    ----   ----   ----    ----   ----  ----   ----   ----
       <S>          <C>    <C>    <C>     <C>    <C>    <C>     <C>    <C>   <C>    <C>    <C>
       737-200      122     50    ---     ---    ---    ---     ---    ---   ---    ---    ---
       737-300      137    149     20      21    ---    ---     ---    ---   ---    ---    ---
       737-500      122     25    ---     ---    ---    ---     ---    ---   ---    ---    ---
       737-700      137    ---    ---       4     21     21      21     18    18     18      5
</TABLE>

     Subsequent to yearend, four 1997-300 options were converted to four
1999-700 options.  The average age of the Company's fleet at December 31, 1995
was 7.8 years.

     For information regarding the Company's obligations under capital leases
and noncancelable operating leases see Notes 6 and 7 to the Consolidated
Financial Statements.

     For information concerning Southwest's aircraft purchase commitments, see
Note 4 to the Consolidated Financial Statements.

     The Company has an agreement with CFM International, Inc. (a joint company
of SNECMA (France) and General Electric Company) dated May 28, 1981, as
amended, for the supply of spare engines for its Boeing 737-300, -500, and -700
aircraft.  CFM also supplies the engines to The Boeing Company for original
installation on such aircraft.  CFM is the sole manufacturer of engines for use
on the Boeing 737-300, -400, -500, and -700 aircraft.





                                       6
<PAGE>   8
GROUND FACILITIES AND SERVICES

     Southwest leases terminal passenger service facilities at each of the
airports it serves to which it has added various leasehold improvements.  The
Company leases land on a long-term basis for its maintenance centers located at
Dallas Love Field, Houston Hobby, and Phoenix Sky Harbor, its training center
near Love Field which houses three 737 simulators, and its corporate
headquarters also located near Love Field.  The maintenance, training center,
and corporate headquarters buildings on these sites were built and are owned by
Southwest.  At December 31, 1995, the Company operated nine reservation
centers.  The reservation centers located in Little Rock, Arkansas; Chicago,
Illinois; Albuquerque, New Mexico; Oklahoma City, Oklahoma and Salt Lake City,
Utah occupy leased space.  The Company owns its Dallas, Texas; Houston, Texas;
Phoenix, Arizona; and San Antonio, Texas reservation centers.

     The Company performs substantially all line maintenance on its aircraft
and provides ground support services at most of the airports it serves.
However, the Company has arrangements with certain aircraft maintenance firms
for major component overhauls and repairs for its airframes and engines, which
comprise the majority of the annual maintenance costs.

     In recent years, many airports have increased or sought to increase the
rates charged to airlines.  The extent to which such charges are limited by
statute and the ability of airlines to contest such charges has been subject to
litigation, including a case recently decided against certain carriers by the
United States Supreme Court.  To the extent the limitations on such charges are
relaxed or the ability of airlines to challenge such charges is restricted, the
rates charged by airports to airlines may increase substantially.  Management
cannot predict the magnitude of any such increase.

ITEM 3.  LEGAL PROCEEDINGS

     Southwest has received examination reports from the Internal Revenue
Service proposing certain adjustments to Southwest's income tax returns for
1987 through 1991.  The adjustments relate to certain types of aircraft
financings consummated by Southwest, as well as other members of the aviation
industry, during that time period.  Southwest intends to vigorously protest the
adjustments made with which it does not agree.  The industry's differences with
the IRS involve complex issues of law and fact which are likely to take a
substantial period of time to resolve.  Management believes that final
resolution of such protest will not have a materially adverse effect upon the
results of operations of Southwest.

ITEM 4.  SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS

     None to be reported.





                                       7
<PAGE>   9
                      EXECUTIVE OFFICERS OF THE REGISTRANT

     The executive officers of Southwest, their positions, and their respective
ages (as of March 1, 1996) are as follows:

<TABLE>
<CAPTION>
                                                                                                     OFFICER
                                                                                                   CONTINUOUSLY
         NAME                              POSITION                                  AGE              SINCE    
         ----                              --------                                  ---           ------------
<S>                               <C>                                                <C>              <C>
Herbert D. Kelleher               Chairman of the Board, President,                  64               1967
                                   and Chief Executive Officer

Colleen C. Barrett                Executive Vice President-Customers                 51               1978
                                   and Corporate Secretary

Gary A. Barron                    Executive Vice President,                          51               1978
                                   Chief Operations Officer

John G. Denison                   Executive Vice President-                          51               1986
                                   Corporate Services

Gary C. Kelly                     Vice President-Finance,                            40               1986
                                   Chief Financial Officer

James F. Parker                   Vice President-General Counsel                     49               1986

Ron Ricks                         Vice President-Governmental Affairs                46               1986

James C. Wimberly                 Vice President-Ground Operations                   43               1985
</TABLE>



     Executive officers are elected annually at the first meeting of
Southwest's Board of Directors following the annual meeting of shareholders or
appointed by the President pursuant to Board authorization.  All of the
executive officers have held their current positions with Southwest for more
than five years.





                                       8
<PAGE>   10
                                    PART II

ITEM 5.  MARKET FOR THE REGISTRANT'S COMMON EQUITY AND RELATED STOCKHOLDER
         MATTERS

     Southwest's common stock is listed on the New York Stock Exchange and is
traded under the symbol LUV.  The high and low sales prices of the common stock
on the Composite Tape and the quarterly dividends per share paid on the common
stock were:

<TABLE>
<CAPTION>
        PERIOD                                 DIVIDEND              HIGH                    LOW
        ------                                 --------              ----                    ---
         <S>     <C>                              <C>                <C>                  <C>
         1995
                 1st Quarter                      $.01               $20.00               $16 .38
                 2nd Quarter                       .01                25.75                 17.63
                 3rd Quarter                       .01                29.88                 23.63
                 4th Quarter                       .01                26.13                 19.75

         1994
                 1st Quarter                      $.01               $39.00               $31 .25
                 2nd Quarter                       .01                34.38                 24.13
                 3rd Quarter                       .01                29.63                 21.63
                 4th Quarter                       .01                23.63                 15.50
</TABLE>


         As of February 29, 1996, there were 9,461 holders of record of the
Company's common stock.


ITEM 6.  SELECTED FINANCIAL DATA

         The following financial information for the five years ended December
31, 1995 has been derived from the Company's consolidated financial statements.
This information should be read in conjunction with the Consolidated Financial
Statements and related notes thereto included elsewhere herein.


                                       9
<PAGE>   11

<TABLE>   
<CAPTION>  
                                                                                YEARS ENDED DECEMBER 31,  
                                                   --------------------------------------------------------------------------------
                                                      1995             1994              1993              1992              1991
                                                      ----             ----              ----              ----              ----
 <S>                                               <C>              <C>               <C>                <C>             <C>
 FINANCIAL DATA:                                                                                        
    (in thousands except per share amounts)                                                             
    Operating revenues . . . . . . . . . . . . .   $2,872,751       $2,591,933        $2,296,673         $1,802,979      $1,379,286
    Operating expenses . . . . . . . . . . . . .    2,559,220        2,275,224         2,004,700          1,609,175       1,306,675
                                                   ----------       ----------        ----------         ----------      ----------
    Operating income . . . . . . . . . . . . . .      313,531          316,709           291,973            193,804          72,611
    Other expenses, net  . . . . . . . . . . . .        8,391           17,186            32,336             36,361          18,725
                                                   ----------       ----------        ----------         ----------      ----------
    Income before income taxes and cumula-                                                              
       tive effect of accounting changes . . . .      305,140          299,523           259,637            157,443          53,886
    Provision for income taxes (1) . . . . . . .      122,514          120,192           105,353             60,058          20,738
                                                   ----------       ----------        ----------         ----------      ----------
    Income before cumulative effect of                                                                  
             accounting changes (1)  . . . . . .      182,626          179,331           154,284             97,385          33,148
    Cumulative effect of accounting changes  . .          -                -              15,259(2)          12,538(3)          ---
                                                   ----------       ----------        ----------         ----------      ----------
    Net income (1) . . . . . . . . . . . . . . .     $182,626         $179,331        $  169,543         $  109,923       $  33,148
                                                   ==========       ==========        ==========         ==========      ==========
    Net income per common and common                                                                    
             equivalent share before cumulative                                                         
       effect of accounting changes (1)  . . . .        $1.23            $1.22             $1.05              $0.68           $0.25
    Cash dividends per common share  . . . . . .      $.04000          $.04000           $.03867            $.03533         $.03333
    Total assets at period-end . . . . . . . . .   $3,256,122       $2,823,071        $2,576,037         $2,368,856      $1,854,331
    Long-term obligations at period-end  . . . .     $661,010         $583,071          $639,136           $735,754        $617,434
    Stockholders' equity at period-end . . . . .   $1,427,318       $1,238,706        $1,054,019           $879,536        $635,793
 OPERATING DATA:                                                                                        
    Revenue passengers carried . . . . . . . . .   44,785,573       42,742,602(5)     36,955,221(5)      27,839,284      22,669,942
    Revenue passenger miles (RPMs) (000s)  . . .   23,327,804       21,611,266        18,827,228         13,787,005      11,296,183
    Available seat miles (ASMs) (000s) . . . . .   36,180,001       32,123,974        27,511,000         21,366,642      18,491,003
    Load factor  . . . . . . . . . . . . . . . .        64.5%            67.3%             68.4%              64.5%           61.1%
    Average length of passenger haul (miles) . .          521              506               509                495             498
    Trips flown  . . . . . . . . . . . . . . . .      685,524          624,476           546,297            438,184         382,752
    Average passenger fare . . . . . . . . . . .       $61.64           $58.44            $59.97             $58.33          $55.93
    Passenger revenue yield per RPM  . . . . . .      11.83c.          11.56c.           11.77c.            11.78c.         11.22c.
    Operating revenue yield per ASM  . . . . . .       7.94c.           8.07c.            8.35c.             7.89c.          7.10c.
    Operating expenses per ASM . . . . . . . . .       7.07c.           7.08c.            7.25c.(6)          7.03c.          6.76c.
    Fuel cost per gallon (average) . . . . . . .      55.22c.          53.92c.           59.15c.            60.82c.         65.69c.
    Number of employees at period-end  . . . . .       19,933           16,818            15,175             11,397           9,778
    Size of fleet at period-end (4)  . . . . . .          224              199               178                141             124
</TABLE>

- ------------------  
(1)      Proforma prior to 1993, assuming Morris, an S-Corporation prior to
         1993, was taxed at statutory rates.

(2)      Includes the net cumulative effect of adopting Statement of Financial
         Accounting Standards No. 109, "Accounting for Income Taxes" and
         Statement of Financial Accounting Standards No. 106, "Employers'
         Accounting for Postretirement Benefits Other than Pensions."

(3)      Includes one-time adjustment for the cumulative effect of a change in
         the method of accounting for scheduled airframe overhaul costs from
         the direct expense method to that of capitalizing and amortizing the
         costs over the periods benefited.

(4)      Includes leased aircraft.

(5)      Includes certain estimates for Morris.

(6)      Excludes merger expenses of $10.8 million.





                                      10
<PAGE>   12
ITEM 7.  MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND
         RESULTS OF OPERATIONS

         Management's Discussion and Analysis listed in the accompanying Index
to Consolidated Financial Statements on Page F-1 is filed as part of this
annual report.

ITEM 8.  FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

         The Consolidated Financial Statements, Notes to Consolidated Financial
Statements, and Report of Ernst & Young LLP, Independent Auditors, listed in
the accompanying Index to Consolidated Financial Statements on page F-1 are
filed as part of this annual report.


                      QUARTERLY FINANCIAL DATA (UNAUDITED)
                    (IN THOUSANDS EXCEPT PER SHARE AMOUNTS)

<TABLE>
<CAPTION>
                                                          THREE MONTHS ENDED                          
                                         ----------------------------------------------------
  1995                                   MARCH 31       JUNE 30       SEPT. 30        DEC. 31
  ----                                   --------       -------       --------        -------
  <S>                                    <C>           <C>            <C>            <C>
  Operating revenues                     $620,999      $738,205       $764,975       $748,572
                                                                                             
  Operating income                         23,409       103,425        114,098         72,599
                                                                                             

  Income before income taxes               20,034       100,801        114,215         70,090
                                                                                             

  Net income                               11,826        59,724         67,717         43,359
  Net income per common and                   .08           .41            .45            .29
     common equivalent share
</TABLE>


<TABLE>
<CAPTION>
                                                          THREE MONTHS ENDED                            
                                         ----------------------------------------------------
  1994                                   MARCH 31       JUNE 30       SEPT. 30        DEC. 31
  ----                                   --------       -------       --------        -------
  <S>                                    <C>           <C>            <C>            <C>
  Operating revenues                     $619,412      $661,056       $685,289       $626,176
                                                                                             
  Operating income                         76,046       101,834        101,710         37,119
                                                                                             

  Income before income taxes               69,538        97,156         97,128         35,701

  Net income                               41,847        58,522         58,619         20,343
  Net income per common and                   .28           .40            .40            .14
     common equivalent share
</TABLE>



ITEM 9.  CHANGES AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND FINANCIAL
         DISCLOSURE

         None to be reported.





                                       11
<PAGE>   13
                                    PART III

ITEM 10.  DIRECTORS AND EXECUTIVE OFFICERS OF THE REGISTRANT

     See "Election of Directors" and "Other Matters - Certain Transactions,"
incorporated herein by reference, from pages 1-4 and 19, respectively, of the
definitive Proxy Statement for Southwest's Annual Meeting of Shareholders to be
held May 16, 1996.  See "Executive Officers of the Registrant" in Part I
following Item 4 for information relating to executive officers.


ITEM 11.  EXECUTIVE COMPENSATION

     See "Compensation of Executive Officers," incorporated herein by
reference, from pages 6-9 of the definitive Proxy Statement for Southwest's
Annual Meeting of Shareholders to be held May 16, 1996.


ITEM 12.  SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT

     See "Voting Securities and Principal Shareholders," incorporated herein by
reference, from pages 4-5 of the definitive Proxy Statement for Southwest's
Annual Meeting of Shareholders to be held May 16, 1996.


ITEM 13.  CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS

     See "Election of Directors" incorporated herein by reference, from pages
1-4 of the definitive Proxy Statement for Southwest's Annual Meeting of
Shareholders to be held May 16, 1996.



                                    PART IV

ITEM 14.  EXHIBITS, FINANCIAL STATEMENT SCHEDULES, AND REPORTS ON FORM 8-K

(a)  1.  Financial Statements:
         The financial statements listed in the accompanying Index to
         Consolidated Financial Statements on page F-1 are filed as part of
         this annual report.

     2.  Financial Statement Schedules:
         There are no financial statement schedules filed as part of this
         annual report, since the required information is included in the
         consolidated financial statements, including the notes thereto, or the
         circumstances requiring inclusion of such schedules are not present.

     3.  Exhibits:

         3.1     Restated Articles of Incorporation of Southwest (incorporated
                 by reference to Exhibit 4.1 to Southwest's Registration
                 Statement on Form S-3 (File No. 33-52155)).





                                       12
<PAGE>   14
         3.2     Bylaws of Southwest, as amended through February 1994
                 (incorporated by reference to Exhibit 3.2 to Southwest's
                 Annual Report on Form 10-K for the year ended December 31,
                 1993 (File No. 1-7259)).

         4.1     Credit Agreement dated December 15, 1990, between Southwest
                 and Texas Commerce Bank - Dallas, N.A., as agent for itself
                 and four other banks named therein, and such banks
                 (incorporated by reference to Exhibit 4.1 on Southwest's
                 Current Report on Form 8-K dated February 14, 1991 (File No.
                 1-7259)); First Amendment to Credit Agreement, dated April 4,
                 1991 and Second Amendment to Credit Agreement, dated December
                 14, 1991 (incorporated by reference to Exhibit 4.1 to
                 Southwest's Annual Report on Form 10-K for the year ended
                 December 31, 1991 (File No. 1-7259)); Third Amendment to
                 Credit Agreement, dated December 14, 1992 (incorporated by
                 reference in Exhibit 4.1 to Southwest's Annual Report on  Form
                 10-K for the year ended December 31, 1992 (File No. 1-7259));
                 Fourth Amendment to Credit Agreement, dated December 14, 1993
                 (incorporated by reference to Exhibit 4.1 to Southwest's
                 Annual Report on Form 10-K for the year ended December 31,
                 1994 (File No. 1-7259));  Fifth and Sixth Amendments to Credit
                 Agreement, dated March 10, 1995 and May 18, 1995,
                 respectively.

         4.2     Specimen certificate representing Common Stock of Southwest
                 (incorporated by reference to Exhibit 4.2 to Southwest's
                 Annual Report on Form 10-K for the year ended December 31,
                 1994 (File No. 1-7259)).

         4.3     Indenture dated as of December 1, 1985 between Southwest and
                 MBank Dallas, N.A., Trustee, relating to an unlimited amount
                 of Debt Securities (incorporated by reference to Exhibit 4.1
                 of Southwest's Current Report on Form 8-K dated February 26,
                 1986 (File No. 1-7259)) and First Supplemental Indenture dated
                 as of January 21, 1988, substituting MTrust Corp, National
                 Association, as Trustee, thereunder (incorporated by reference
                 to Exhibit 4.3 on Southwest's Annual Report on Form 10-K for
                 the year ended December 31, 1987 (File 1-7259)).

         4.4     Rights Agreement dated July 14, 1986 between Southwest and
                 MBank Dallas, N.A., as Rights Agent (incorporated by reference
                 to Exhibit 1, Southwest's Registration Statement on Form 8-A
                 dated July 15, 1986 (File No. 1-7259)) and Amendment No. 1 to
                 Rights Agreement, dated as of December 1, 1990 between
                 Southwest and Ameritrust Texas N.A. (incorporated by reference
                 to Exhibit 4.2 on Southwest's Current Report on Form 8-K dated
                 February 14, 1991 (File No. 1-7259)).

         4.5     Indenture dated as of June 20, 1991 between Southwest Airlines
                 Co. and Bank of New York, successor to NationsBank of Texas,
                 N.A. (formerly NCNB Texas National Bank), Trustee
                 (incorporated by reference to Exhibit 4.1 to Southwest's
                 Current Report on Form 8-K dated June 24, 1991 (File No.
                 1-7259)).

         4.6     Form of 9.4 percent Note due 2001 (incorporated by reference
                 to Exhibit 4.2 to Southwest's Current Report on Form 8-K dated
                 June 24, 1991 (File No. 1-7259)).

         4.7     Form of 8-3/4 percent Note due 2003 (incorporated by reference
                 to Exhibit 4.2 to Southwest's Current Report on Form 8-K dated
                 October 4, 1991 (File No. 1-7259)).

         4.9     Form of 9-1/4 percent Note due 1998 (incorporated by reference
                 to Exhibit 4.9 to Southwest's Annual Report on Form 10-K for
                 the year ended December 31, 1991 (File No. 1-7259)).





                                       13
<PAGE>   15
         4.10    Form of 7-7/8 percent Note due 2007 (incorporated by reference
                 to Exhibit 4.10 to Southwest's Annual Report on Form 10-K for
                 the year ended December 31, 1992 (File No. 1-7259)).

         4.11    Form of Global Security representing all 8 percent Notes due
                 2005 (incorporated by reference to Exhibit 4 to Southwest's
                 current Report on Form 8-K dated March 6, 1995 (File No.
                 1-7259)).

         10.1    General Terms Agreement between CFM International, Inc. and
                 Southwest (with all amendments through March 29, 1990) dated
                 May 28, 1981 (incorporated by reference to Exhibit 10.2 on
                 Southwest's Annual Report on Form 10-K for the year ended
                 December 31, 1989 (File No. 1-7259)); Amendments from November
                 6, 1989 through March 29, 1993 (incorporated by reference to
                 Exhibit 10.2 on Southwest's Annual Report on Form 10-K for the
                 year ended December 31, 1992 (File No. 1-7259)); Amendments
                 from March 29, 1993 through March 29, 1994 (incorporated by
                 reference to Exhibit 10.2 to Southwest's Annual Report on Form
                 10-K for the year ended December 31, 1993 (File No. 1-7259));
                 Amendment No. 7 and Letter Agreement No.  11, each dated as of
                 January 19, 1994 (incorporated by reference to Exhibit 10.2 to
                 Southwest's Annual Report on Form 10-K for the year ended
                 December 31, 1993 (File No. 1-7259)).

         10.2    Purchase Agreement No. 1405, dated July 23, 1987 between The
                 Boeing Company and Southwest (with all amendments through
                 March 29, 1990) (incorporated by reference to Exhibit 10.3 on
                 Southwest's Annual Report on Form 10-K for the year ended
                 December 31, 1989 (File No. 1-7259)); Amendments from April 1,
                 1990 through March 29, 1993 (incorporated by reference to
                 Exhibit 10.3 on Southwest's Annual Report on Form 10-K for the
                 year ended December 31, 1992 (File No. 1-7259)); Amendments
                 from March 29, 1993 through March 29, 1994 (incorporated by
                 reference to Exhibit 10.3 to Southwest's Annual Report on Form
                 10-K for the year ended December 31, 1993 (File No. 1-7259));
                 Amendments from March 30, 1994 through March 29, 1995
                 (incorporated by reference to Exhibit 10.2 to Southwest's
                 Annual Report on Form 10-K for the year ended December 31,
                 1993 (File No. 1-7259)); Amendments from March 30, 1995
                 through March 29, 1996.

         10.3    Purchase Agreement No. 1810, dated January 19, 1994 between
                 The Boeing Company and Southwest (incorporated by reference to
                 Exhibit 10.4 to Southwest's Annual Report on Form 10-K for the
                 year ended December 31, 1993 (File No. 1-7259)).

                 The following exhibits filed under paragraph 10 of Item 601
                 are the Company's compensation plans and arrangements.

         10.4    1985 stock option agreements between Southwest and Herbert D.
                 Kelleher (incorporated by reference to Exhibit 10.1 to
                 Southwest's Quarterly Report on Form 10-Q for the quarter
                 ended September 30, 1985 (File No. 1-7259)).

         10.5    Form of Executive Employment Agreement between Southwest and
                 certain key employees pursuant to Executive Service
                 Recognition Plan (incorporated by reference to Exhibit 28 to
                 Southwest Quarterly Report on Form 10-Q for the quarter ended
                 June 30, 1987 (File No. 1-7259)).





                                       14
<PAGE>   16
         10.6    1992 stock option agreements between Southwest and Herbert D.
                 Kelleher (incorporated by reference to Exhibit 10.8 to
                 Southwest's Annual Report on Form 10-K for the year ended
                 December 31, 1991 (File No.  1-7259)).

         10.7    1987 stock option agreement between Southwest and Herbert D.
                 Kelleher (incorporated by reference to Exhibit 10.11 to
                 Southwest's Annual Report on Form 10-K for the year ended
                 December 31, 1987 (File No.  1-7259)).

         10.8    1996 employment contract between Southwest and Herbert D.
                 Kelleher and related stock option agreements.

         10.9    1991 Incentive Stock Option Plan (incorporated by reference to
                 Exhibit 4.1 to Registration Statement on Form S-8 (File No.
                 33-40652)).

         10.10   1991 Non-Qualified Stock Option Plan (incorporated by
                 reference to Exhibit 4.2 to Registration State- ment on Form
                 S-8 (File No. 33-40652)).

         10.11   1991 Employee Stock Purchase Plan as amended May 20, 1992
                 (incorporated by reference to Exhibit 10.13 to Southwest's
                 Annual Report on Form 10-K for the year ended December 31,
                 1992 (File No. 1-7259)).

         10.12   Southwest Airlines Co. Profit Sharing Plan (incorporated by
                 reference to Exhibit 10.13 to Southwest's Annual Report on
                 Form 10-K for the year ended December 31, 1991 (File No.
                 1-7259)).

         10.13   Southwest Airlines Co. 401(k) Plan (incorporated by reference
                 to Exhibit 10.14 to Southwest's Annual Report on Form 10-K for
                 the year ended December 31, 1991 (File No. 1-7259)).

         10.14   Southwest Airlines Co. 1995 SWAPA Non-Qualified Stock Option
                 Plan (incorporated by reference to Exhibit 10.14 to
                 Southwest's Annual Report on Form 10-K for the year ended
                 December 31, 1994 (File No. 1- 7259)).

         11      Computation of earnings per share.

         22      Subsidiaries of Southwest.

         23      Consent of Ernst & Young LLP, Independent Auditors.

         27      Financial Data Schedule.


                                       15
<PAGE>   17
         Southwest will furnish to the Commission supplementally upon request a
copy of each other instrument with respect to the long-term debt of the
Company.

         A copy of each exhibit may be obtained at a price of 15 cents per
page, $10.00 minimum order, by writing to: Director of Investor Relations,
Southwest Airlines Co., P.O. Box 36611, Dallas, Texas 75235-1611.

(b)      The following reports on Form 8-K were filed during the fourth quarter
         of 1995:

         Form 8-K dated October 2, 1995, including exhibits relative to Pass
         Through Certificates, Series 1995-A.


                                       16
<PAGE>   18


                   INDEX TO CONSOLIDATED FINANCIAL STATEMENTS


<TABLE>
<CAPTION>
                                                                        Page No.
<S>                                                                       <C>
Management's Discussion and Analysis                                      F-2

Consolidated Financial Statements                                         F-11

Report of Independent Auditors                                            F-17
</TABLE>





                                      F-1
<PAGE>   19


MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION
AND RESULTS OF OPERATIONS

YEAR IN REVIEW

Southwest and the airline industry posted their highest profits ever in 1995.
Southwest began 1995 with first quarter earnings substantially below first
quarter 1994. This beginning of 1995 followed a 47 percent decline in fourth
quarter 1994 earnings compared to fourth quarter 1993.  In early 1995, we
addressed many of the challenges that surfaced during fourth quarter 1994, and
we finished the year strong, reporting record earnings for 1995.

Competitive pressures eased in 1995 with most carriers pulling back to their
hubs and routes where they dominate.  Continental Lite ceased to exist,
American substantially decreased its presence in Nashville, and the United
Shuttle reduced head-to-head competition with Southwest by approximately 50
percent.  Southwest, however, continued to expand, adding service to Omaha,
Nebraska, and increasing service in many under-served markets, particularly
those experiencing reductions in service by other carriers.

In 1995, capacity and traffic for the domestic airline industry grew
approximatly three percent and four percent, respectively, and load factor
increased versus 1994 due to modest capacity growth and a steady economy.
Southwest, however, grew capacity aggressively at 12.6 percent.  For most of
1995 and in January 1996, Southwest's monthly load factors were below year-ago
levels. While it is too early to determine if this trend will continue in 1996,
thus far these lower load factors have been offset by strong passenger revenue
yield performances.  Our passenger revenue yield for January 1996 exceeded
January 1995 by more than 10 percent aided, in large measure, by the lapse of
the 10 percent federal ticket tax on January 1, 1996.

The early results of our 1996 expansion into Florida look promising as our load
factors for our initial two markets, Tampa and Ft. Lauderdale, have exceeded
our systemwide averages.  We will begin service to Orlando in April 1996.

After years of horrendous losses, most carriers reduced costs in 1995 by
closing hubs, reducing their work force, contracting high-cost work, and
obtaining concessions from union workers.  For the second consecutive year, our
operating expenses per ASM also declined year-over-year, down .1 percent in
1995 primarily due to the significant reduction in the Company's distribution
costs. While our goal is to continue this overall cost trend, recent increases
in jet fuel prices, and the October 1, 1995 implementation of a 4.3 cents per
gallon transportation fuel tax




                                     F-2
<PAGE>   20
for commercial aviation, make near-term reductions in total operating expenses
on a per-ASM basis much more difficult.

The national budget impasse, lapse of the 10 percent ticket tax and its
presumed reinstatement, proposed deferral of the jet fuel tax, and looming
prospect of FAA reform present uncertainty for 1996 and future periods.  At the
current time, Southwest is unable to predict how these issues will be resolved
and what impact, if any, resolution of these uncertainties will have on future
operating results or financial condition.

During 1996, we plan to add a net of seventeen aircraft to our fleet, which
will be used primarily in our Florida expansion and to strengthen our existing
route system.

RESULTS OF OPERATIONS

1995 COMPARED WITH 1994  The Company's consolidated net income for 1995 was
$182.6 million ($1.23 per share), as compared to the corresponding 1994 amount
of $179.3 million ($1.22 per share), an increase of 1.8 percent.

Operating Revenues  Consolidated operating revenues increased by 10.8 percent
in 1995 to $2,872.8 million, compared to $2,591.9 million for 1994.  This
increase in 1995 operating revenues was derived from a 10.5 percent increase in
passenger revenues. Revenue passenger miles (RPMs) increased 7.9 percent in
1995, compared to a 12.6 percent increase in available seat miles (ASMs),
resulting in a decrease in load factor from 67.3 percent in 1994 to 64.5
percent in 1995.  The 1995 ASM growth resulted from the addition of 25 aircraft
during the year.

Freight revenues in 1995 were $65.8 million, compared to $54.4 million in 1994.
The 21.0 percent increase in freight revenues exceeded the 12.6 percent
increase in ASMs for the same period primarily due to increased air freight
volumes and United States mail services primarily resulting from the
development of new markets added in 1994.

Operating Expenses  Consolidated operating expenses for 1995 were $2,559.2
million, compared to $2,275.2 million in 1994, an increase of 12.5 percent,
compared to the 12.6 percent increase in ASMs.  For the second consecutive
year, operating expenses on a per-ASM basis decreased year-over-year, down .1
percent in 1995.




                                     F-3
<PAGE>   21
Operating expenses per ASM for 1995 and 1994 were as follows:

OPERATING EXPENSES PER ASM

<TABLE>
<CAPTION>
- -------------------------------------------------------------------------------------------
                                                                   INCREASE     PERCENT
                                              1995         1994   (DECREASE)    CHANGE
- ------------------------------------------------------------------------------------------
<S>                                           <C>          <C>       <C>         <C>        
Salaries, wages,
     and benefits________________             2.17c.       2.13c.     .04c.       1.9%
Employee profitsharing
     and savings plans___________              .23          .22       .01         4.5
Fuel and oil_____________________             1.01         1.00       .01         1.0
Maintenance materials and
     repairs_____________________              .60          .59       .01         1.7
Agency commissions_______________              .34          .41      (.07)      (17.1)
Aircraft rentals_________________              .47          .42       .05        11.9
Landing fees and
     other rentals_______________              .44          .46      (.02)       (4.3)
Depreciation_____________________              .43          .43        -           -
Other                                         1.38         1.42      (.04)       (2.8) 
- -------------------------------------------------------------------------------------------
TOTAL                                         7.07c.       7.08c.    (.01)c.     (0.1)%
- -------------------------------------------------------------------------------------------
</TABLE>

Salaries, wages, and benefits per ASM increased 1.9 percent in 1995.  This
increase resulted primarily from a 17.8 percent increase in 1995 average
headcount, which outpaced the 1995 capacity (ASM) increase of 12.6 percent, and
offset a 2.6 percent decrease in average salary and benefits cost per Employee.
The 17.8 percent increase in average headcount was primarily the result of a
44.6 percent increase in Reservations Sales Agents in 1995.  Excluding
Reservations Sales Agents, total average headcount increased only 11.4 percent.
The Reservations Sales Agent increase coincided with increased demand for
reservations capacity following 1994 enhancements to Southwest's ticket
delivery systems for direct Customers.

Fleet Service Employees are subject to an agreement with the Ramp, Operations
and Provisioning Association (ROPA), which became amendable in December 1994.
The Company reached an agreement with ROPA which was ratified by its membership
in November 1995.  Southwest's mechanics are subject to an agreement with the
International Brotherhood of Teamsters, Chauffeurs, Warehousemen and Helpers of
America (the Teamsters), which became amendable August 16, 1995.  Southwest is
currently in negotiations with the Teamsters for a new contract.

Employee profitsharing and savings plans expense per ASM increased 4.5 percent
in 1995.  The increase is primarily the




                                     F-4
<PAGE>   22
result of increased matching contributions to Employee savings plans resulting
from increased Employee participation and higher matching rates in 1995 for
non-contract Employees and certain Employee groups covered by collective
bargaining agreements.

Fuel and oil expenses per ASM increased 1.0 percent in 1995, primarily due to a
2.4 percent increase in the average jet fuel cost per gallon from 1994. Jet
fuel prices remained relatively stable throughout most of 1995, with quarterly
averages through the first three quarters ranging from $.53 to $.55 per gallon.
During fourth quarter 1995, the average cost per gallon increased to $.59 and,
in January 1996, has averaged approximately $.62 per gallon.

Maintenance materials and repairs per ASM increased 1.7 percent in 1995
compared to 1994 primarily as a result of performing more engine overhauls
during 1995.

Agency commissions per ASM decreased 17.1 percent in 1995 compared to 1994, due
to a lower mix of travel agency sales in 1995.  The lower travel agency sales
mix resulted from 1994 enhancements to Southwest's ticket delivery systems for
direct Customers, as described below.

In response to actions taken by our competitor-owned reservations systems in
1994, we reduced our operating costs and enhanced our ticket delivery systems
by developing our own Southwest Airlines Air Travel ("SWAT") system allowing
high-volume travel agents direct access to reservations; introduced overnight
ticket delivery for travel agents; reduced to three the number of advance days
reservations required for overnight delivery of tickets to consumers (Ticket By
Mail); developed our own Ticketless system, which was rolled out system-wide on
January 31, 1995; and effective March 30, 1995 subscribed to a new level of
service with SABRE that automates the booking process for SABRE travel
agencies. We also continue to actively pursue other cost-effective solutions 
for automating non-SABRE travel agency bookings.

Aircraft rentals per ASM increased 11.9 percent in 1995.  The increase
primarily resulted from second and third quarter 1995 sale/leaseback
transactions involving ten new 737-300 aircraft and a higher percentage of the
fleet consisting of leased aircraft.

Other operating expenses per ASM decreased 2.8 percent in 1995 compared to
1994. This decrease was primarily due to operating efficiencies resulting from
the transition of Morris operational functions to Southwest commencing first
quarter 1994, and lower communications costs.  Communications costs decreased
approximately




                                     F-5
<PAGE>   23
15 percent per ASM primarily due to lower negotiated rates, increased
reservations operations efficiencies, and enhancements to the Company's ticket
delivery system.

In August 1993, the Revenue Reconciliation Act of 1993 was enacted, which,
among other things, included an assessment of 4.3 cents per gallon in federal
jet fuel tax, which became effective September 30, 1995, for aviation.  This
additional fuel tax increased 1995 "other operating expenses" by $7.4 million.

Other "Other expenses (income)" included interest expense, interest income, and
nonoperating gains and losses.  Interest expense increased $5.4 million in 1995
due to the March 1995 issuance of $100 million senior unsecured 8% Notes due
2005. Capitalized interest increased $5.0 million in 1995 as a result of higher
levels of progress payments on aircraft compared to 1994.  Interest income for
1995 increased $10.9 million primarily due to higher invested cash balances and
higher short-term interest rates.

Income Taxes  The provision for income taxes as a percentage of income before
taxes was relatively unchanged year over year.

1994 COMPARED WITH 1993  The Company's consolidated net income for 1994 was
$179.3 million ($1.22 per share), as compared to the corresponding 1993 amount
(before the cumulative effect of accounting changes) of $154.3 million ($1.05
per share), an increase of 16.2 percent.  The increase in earnings was
primarily attributable to an increase in operating income of 8.5 percent and a
decrease in other expenses (nonoperating) of 46.9 percent.

Operating Revenues  Consolidated operating revenues increased by 12.9 percent
in 1994 to $2,591.9 million, compared to $2,296.7 million for 1993.  This
increase in 1994 operating revenues was derived from a 12.7 percent increase in
passenger revenues.  RPMs increased 14.8 percent in 1994, compared to a 16.8
percent increase in ASMs, resulting in a decrease in load factor from 68.4
percent in 1993 to 67.3 percent in 1994.  The 1994 ASM growth resulted from the
addition of 21 aircraft during 1994.

Freight revenues in 1994 were $54.4 million, compared to $42.9 million in 1993.
The 26.9 percent increase in freight revenues exceeded the 16.8 percent
increase in ASMs for the same period primarily due to increased air freight
volumes and United States mail services.

Operating Expenses  Consolidated operating expenses for 1994 were $2,275.2
million, compared to $2,004.7 million in 1993, an increase of 13.5 percent,
compared to the 16.8 percent increase in ASMs. On a per-ASM basis, operating
expenses (excluding 1993




                                     F-6
<PAGE>   24
merger expenses) decreased 2.3 percent in 1994.  The primary factors
contributing to this decrease were an 8.8 percent decrease in average jet fuel
cost per gallon and lower agency commission costs, offset by increased aircraft
rentals.

Salaries, wages, and benefits per ASM increased only .5 percent in 1994.  This
increase resulted from a 3.0 percent increase in average salary and benefits
cost per Employee, partially offset by slower average headcount growth, which
increased only 13.8 percent in 1994 versus the 1994 capacity (ASM) increase of
16.8 percent.  The majority of the increase in average salary and benefits cost
related to increased health benefits and workers' compensation costs.  Employee
productivity improved from 2,633 passengers handled per Employee in 1993 to
2,676 in 1994.

Employee profitsharing and savings plans expense per ASM increased 4.8 percent
in 1994.  The increase is primarily the result of increased matching
contributions to Employee savings plans resulting from increased Employee
participation and higher matching rates in 1994 for Flight Attendants and
Customer Service Employees under their respective collective bargaining
agreements.

Fuel and oil expenses per ASM decreased 9.9 percent in 1994, primarily due to
an 8.8 percent reduction in the average jet fuel cost per gallon from 1993. Jet
fuel prices remained relatively stable throughout 1994, with quarterly averages
ranging from $.51 to $.56 per gallon.

Maintenance materials and repairs per ASM was unchanged in 1994 compared to
1993.

Agency commissions per ASM decreased 12.8 percent due to a lower mix of travel
agency sales and lower 1994 passenger revenue per ASM.  The lower travel agency
sales mix resulted from 1994 enhancements to Southwest's ticket delivery
systems for direct Customers.

Aircraft rentals per ASM increased 7.7 percent in 1994.  The increase primarily
resulted from a third quarter 1994 sale/leaseback transaction involving ten new
737-300 aircraft and a lease of three used aircraft under long-term operating
leases. At December 31, 1994, 44.7 percent of the Company's fleet was subject
to operating leases, compared to 43.3 percent at December 31, 1993.

Other operating expenses per ASM decreased 1.4 percent in 1994 compared to
1993.  The overall decrease is primarily attributable to operating efficiencies
resulting from the transition of Morris operational functions to Southwest,
primarily contract services




                                     F-7
<PAGE>   25
which decreased $8.8 million (24.4 percent per ASM), offset by an increase in
advertising costs of $24.1 million (22.9 percent per ASM) primarily associated
with the start-up of seven new cities and new competitive pressures in 1994.

Other "Other expenses (income)" included interest expense, interest income, and
nonoperating gains and losses.  Interest expense decreased $5.1 million in 1994
due to the March 1, 1993 redemption of $100 million senior unsecured 9% Notes
due 1996 and the repayment of approximately $54.0 million of Morris long-term
debt during first quarter 1994.  Capitalized interest increased $8.6 million in
1994 as a result of higher levels of advance payments on aircraft compared to
1993.  Interest income for 1994 decreased $1.9 million primarily due to lower
cash balances available for short-term investment.

Income Taxes     The provision for income taxes decreased in 1994 as a
percentage of income before taxes, including cumulative effect of accounting
changes, to 40.1 percent from 40.6 percent in 1993.  The 1993 rate was higher
due to deferred tax adjustments in 1993 related to the 1993 increase in the
federal corporate income tax rate from 34 percent to 35 percent (see Note 11 to
the Consolidated Financial Statements).  This was offset by increased 1994
effective state income tax rates.

LIQUIDITY AND CAPITAL RESOURCES

Cash provided from operations was $456.4 million in 1995, compared to $412.7
million in 1994.  During 1995, additional funds of $321.7 million were
generated from the sale and leaseback of ten new 737-300 aircraft subject to
long-term operating leases (increasing total commitments for operating leases
by $607.9 million).  In addition, $98.8 million was generated from the March
1995 issuance of $100 million in Senior Unsecured 8% Notes due in 2005.

During 1995, capital expenditures of $728.6 million primarily were for the
purchase of 23 new 737-300 aircraft, one used 737-300 aircraft previously
leased by Morris, and progress payments for future aircraft deliveries. At
December 31, 1995, capital commitments of the Company consisted primarily of
scheduled aircraft acquisitions.

As of January 1996, Southwest had one hundred 737s on firm order, including
twenty to be delivered in 1996, with options to purchase another sixty-seven.
Aggregate funding required for firm commitments  approximated $2,614.0 million
through the year 2001 of which $461.5 million related to 1996.  See Note 4 to
the Consolidated Financial Statements for further information.




                                     F-8
<PAGE>   26
As of December 31, 1995 and since 1990, the Company had authority from its
Board of Directors to purchase 3,750,000 shares of its common stock from
time-to-time on the open market. No shares have been purchased since 1990.

The Company has various options available to meet its capital and operating
commitments, including cash on hand at December 31, 1995 of $317.4 million,
internally generated funds, and a revolving credit line with a group of banks
of up to $460 million (none of which had been drawn at December 31, 1995). In
addition, the Company will also consider various borrowing or leasing options
to maximize earnings and supplement cash requirements.

The Company currently has outstanding shelf registrations for the issuance of
$260.6 million public debt securities.

Cash provided from operations was $412.7 million in 1994 as compared to $392.7
million in 1993. During 1994, additional funds of $315.0 million were generated
from the sale and leaseback of ten new 737-300 aircraft subject to long-term
operating leases (increasing total commitments for operating leases by $619.0
million).  These proceeds were primarily used to finance aircraft-related
capital expenditures and to provide working capital.




                                     F-9
<PAGE>   27

SOUTHWEST AIRLINES CO.
CONSOLIDATED BALANCE SHEET
(in thousands except share and per share amounts)

<TABLE>
<CAPTION>
                                                  December 31,
                                               1995          1994    
- ---------------------------------------------------------------------
<S>                                        <C>          <C>      
ASSETS
Current assets:
  Cash and cash equivalents_____________   $  317,363   $  174,538
  Accounts receivable___________________       79,781       75,692
  Inventories of parts and supplies,
    at cost_____________________________       41,032       37,565
  Deferred income taxes (Note 11)_______       10,476        9,822
  Prepaid expenses and other current
    assets______________________________       24,484       17,281
                                           ----------    ---------
      Total current assets______________      473,136      314,898

Property and equipment, at cost
  (Notes 4 and 7):
  Flight equipment______________________    3,024,702    2,564,551
  Ground property and equipment_________      435,822      384,501
  Deposits on flight equipment
    purchase contracts__________________      323,864      393,749
                                           ----------    ---------
                                            3,784,388    3,342,801
  Less allowance for depreciation_______    1,005,081      837,838
                                           ----------    ---------
                                            2,779,307    2,504,963
Other assets____________________________        3,679        3,210
                                           ----------   ----------
                                           $3,256,122   $2,823,071
                                           ==========   ==========

LIABILITIES AND STOCKHOLDERS' EQUITY
Current liabilities:
  Accounts payable______________________   $  117,473   $  117,599
  Accrued liabilities (Note 5)__________      348,476      288,979
  Air traffic liability_________________      131,156      106,139
  Current maturities of long-term
    debt________________________________       13,516        9,553
                                           ----------   ----------
      Total current liabilities_________      610,621      522,270

Long-term debt less current
  maturities (Note 6)___________________      661,010      583,071
Deferred income taxes (Note 11)_________      281,650      232,850
Deferred gains from sale and
  leaseback of aircraft_________________      245,154      217,677
Other deferred liabilities______________       30,369       28,497

Commitments and contingencies
  (Notes 4, 7, and 11)

Stockholders' equity (Notes 8 and 9):
  Common stock, $1.00 par value:
    500,000,000 shares authorized;
    144,033,273 shares issued and
    outstanding in 1995 and
    143,255,795 shares in 1994__________      144,033      143,256
  Capital in excess of par value________      162,704      151,746
  Retained earnings_____________________    1,120,581      943,704
                                           ----------   ----------
     Total stockholders' equity_________    1,427,318    1,238,706
                                           ----------    ---------
                                           $3,256,122   $2,823,071
                                           ==========   ==========
</TABLE>

SEE ACCOMPANYING NOTES.






                                     F-10
<PAGE>   28




SOUTHWEST AIRLINES CO.
CONSOLIDATED STATEMENT OF INCOME
(in thousands except per share amounts)

<TABLE>
<CAPTION>
                                            Years ended December 31,
                                      1995           1994           1993
- --------------------------------------------------------------------------------
<S>                              <C>            <C>            <C>
OPERATING REVENUES:
  Passenger____________________  $ 2,760,756    $ 2,497,765    $ 2,216,342
  Freight______________________       65,825         54,419         42,897
  Other________________________       46,170         39,749         37,434
                                 -----------    -----------    -----------
    Total operating revenues___    2,872,751      2,591,933      2,296,673
OPERATING EXPENSES:
  Salaries, wages, and
    benefits (Note 10)_________      867,984        756,023        641,747
  Fuel and oil_________________      365,670        319,552        304,424
  Maintenance materials and
    repairs____________________      217,259        190,308        163,395
  Agency commissions___________      123,380        133,081        130,445
  Aircraft rentals_____________      169,461        132,992        107,885
  Landing fees and other
     rentals___________________      160,322        148,107        129,222
  Depreciation_________________      156,771        139,045        119,338
  Other operating expenses_____      498,373        456,116        397,441
  Merger expenses (Note 2)_____           --             --         10,803
                                 -----------    -----------    -----------
     Total operating expenses__    2,559,220      2,275,224      2,004,700
                                 -----------    -----------    -----------
OPERATING INCOME_______________      313,531        316,709        291,973
OTHER EXPENSES (INCOME):
  Interest expense_____________       58,810         53,368         58,460
  Capitalized interest_________      (31,371)       (26,323)       (17,770)
  Interest income______________      (20,095)        (9,166)       (11,093)
  Nonoperating (gains) losses,
   net_________________________        1,047           (693)         2,739
                                 -----------    -----------    -----------
     Total other expenses______        8,391         17,186         32,336
                                 -----------    -----------    -----------
INCOME BEFORE INCOME TAXES AND
  CUMULATIVE EFFECT OF
  ACCOUNTING CHANGES___________      305,140        299,523        259,637
PROVISION FOR INCOME TAXES
  (NOTE 11)____________________      122,514        120,192        105,353
                                 -----------    -----------    -----------
INCOME BEFORE CUMULATIVE
  EFFECT OF ACCOUNTING
  CHANGES______________________      182,626        179,331        154,284
CUMULATIVE EFFECT OF
  ACCOUNTING CHANGES
  (NOTE 3)_____________________           --             --         15,259
                                 -----------    -----------    -----------
NET INCOME_____________________  $   182,626    $   179,331    $   169,543
                                 ===========    ===========    ===========
PER SHARE AMOUNTS (NOTES 3, 8,
  AND 12):
  Income before cumulative
    effect of accounting
    changes____________________  $      1.23    $      1.22    $      1.05
  Cumulative effect of
    accounting changes_________           --             --            .10
                                 -----------    -----------    -----------
  Net income___________________  $      1.23    $      1.22    $      1.15
                                 ===========    ===========    ===========
</TABLE>

SEE ACCOMPANYING NOTES.






                                     F-11
<PAGE>   29
SOUTHWEST AIRLINES CO.
CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY
YEARS ENDED DECEMBER 31, 1995, 1994, AND 1993
(in thousands except per share amounts)

<TABLE>
<CAPTION>
                                                                     Capital
                                                                    in excess
                                                Common                 of              Retained
                                                stock               par value          earnings            Total
- ----------------------------------------------------------------------------------------------------------------------   
<S>                                          <C>                   <C>             <C>                 <C>
Balance at December 31, 1992___________         96,047               177,561           605,928             879,536
  Three-for-two stock split                                                      
    (Note 8)___________________________         46,325               (46,325)                -                   -    
  Issuance of common stock upon
    exercise of executive stock                                                 
    options and pursuant to Employee                                            
    stock option and purchase plans                                             
    and related tax benefit                                                     
    (Note 9)___________________________            384                 9,932                 -              10,316
   Cash dividends, $.03867 per share                 -                     -            (5,376)             (5,376)
   Net income - 1993____________________             -                     -           169,543             169,543      
                                                                                
                                             ---------             ---------       -----------        -------------
Balance at December 31, 1993____________       142,756               141,168           770,095           1,054,019
                                                                                
  Issuance of common stock upon                                                 
    exercise of executive stock                                                 
    options and pursuant to Employee                                            
    stock option and purchase plans                                              
    and related tax benefit                                                     
    (Note 9)____________________________           500                10,578                 -              11,078
  Cash dividends, $.04 per share________             -                     -            (5,722)             (5,722)
  Net income - 1994_____________________             -                     -           179,331             179,331              
                                                                                            
                                             ---------             ---------       -----------        -------------
Balance at December 31, 1994____________       143,256               151,746           943,704           1,238,706
                                                                                                         
  Issuance of common stock upon                                                
    exercise of executive stock                                                
    options and pursuant to Employee                                           
    stock option and purchase plans                                            
    and related tax benefit                                                    
    (Note 9)____________________________           777                10,958                 -              11,735
  Cash dividends, $.04 per share _______             -                     -            (5,749)             (5,749)
  Net income - 1995_____________________             -                     -           182,626             182,626
                                             ---------             ---------       -----------        -------------
Balance at December 31, 1995____________     $ 144,033             $ 162,704       $ 1,120,581         $ 1,427,318
                                             =========             =========       ===========         ===========
</TABLE>





                                     F-12
<PAGE>   30


SOUTHWEST AIRLINES CO.
CONSOLIDATED STATEMENT OF CASH FLOWS
(IN THOUSANDS)

<TABLE>
<CAPTION>
                                                                              Years ended December 31,
                                                                         1995            1994          1993               
- --------------------------------------------------------------------------------------------------------------------------
<S>                                                                      <C>           <C>              <C>
CASH FLOWS FROM OPERATING ACTIVITIES:
     Net income_____________________________________________________     $182,626      $179,331         $169,543
     Cumulative effect of accounting changes (Note 3)___________               -             -           (15,259)
                                                                         --------      --------        --------- 
     Income before cumulative effect of accounting   
            changes_________________________________________________      182,626       179,331          154,284
     Adjustments to reconcile net income to cash
            provided by operating activities:
         Depreciation_________________________________________            156,771       139,045          119,338
         Deferred income taxes________________________________             48,147        49,887           53,200
         Amortization of deferred gains on sale and
                 leaseback of aircraft______________________________      (24,286)      (30,341)         (32,509)
         Amortization of scheduled airframe overhauls_________             17,337        14,216           11,630
         Changes in certain assets and liabilities:
                 Increase in accounts receivable____________________       (4,089)       (5,208)         (14,253)
                 (Increase) decrease in other current assets________      (11,857)          648           (9,641)
                 Increase in accounts payable and accrued
                   liabilities______________________________________       61,937        52,679           67,585
                 Increase in air traffic liability__________________       25,017         9,993           30,212
                 Increase (decrease) in other current liabilities           1,050        (4,690)           2,393
         Other_________________________________________________             3,789         7,106           10,440 
                                                                         --------      --------        --------- 
                   Net cash provided by operating activities_________     456,442       412,666          392,679

CASH FLOWS FROM INVESTING ACTIVITIES:
     Purchases of property and equipment_________________________        (728,643)     (788,649)        (524,169)
                                                                        ---------     ---------        ---------
                    Net cash used in investing activities____________    (728,643)     (788,649)        (524,169)

CASH FLOWS FROM FINANCING ACTIVITIES:
     Issuance of long-term debt__________________________________          98,811            -            17,810   
      
     Proceeds from aircraft sale and leaseback
            transactions_____________________________________________     321,650       315,000           90,000

     Payment of long-term debt and capital lease
            obligations______________________________________________     (10,379)      (63,071)        (120,098)
     Payment of cash dividends___________________________________          (5,749)       (5,722)          (5,376)        
     Proceeds from Employee stock plans__________________________          10,693          8,743           6,743
     Other_______________________________________________________              -              -               (7)
                                                                         --------       ---------      ---------
            Net cash provided by (used in) financing activities_________  415,026        254,950         (10,928)
                                                                         --------       ---------      ---------
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS_________________     142,825       (121,033)       (142,418)  
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD_____________________     174,538        295,571         437,989    
                                                                         --------       ---------      ---------
CASH AND CASH EQUIVALENTS AT END OF PERIOD___________________________    $317,363       $174,538        $295,571
                                                                        =========       ========        ========
CASH PAYMENTS FOR:
     Interest, net of amount capitalized_________________________        $ 25,277       $ 26,598        $ 43,161
     Income taxes________________________________________________          73,928         80,461          45,292    
                       
</TABLE>

  SEE ACCOMPANYING NOTES.




                                     F-13
<PAGE>   31

SOUTHWEST AIRLINES CO.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
December 31, 1995


1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Basis of presentation  Southwest Airlines Co. (Southwest) is a major domestic
airline that provides shorthaul, high frequency, point-to-point, low-fare
service.  The consolidated financial statements include the accounts of
Southwest and its wholly owned subsidiaries (the Company). All significant
intercompany balances and transactions have been eliminated.  The preparation
of financial statements in conformity with generally accepted accounting
priniciples requires management to make estimates and assumptions that affect
the amounts reported in the financial statements and accompanying notes.
Actual results could differ from these estimates. Certain prior year amounts
have been reclassified for comparison purposes.

Cash and cash equivalents         Cash equivalents consist of certificates of
deposit and investment grade commercial paper issued by major corporations and
financial institutions that are highly liquid and have original maturity dates
of three months or less.  Cash and cash equivalents are carried at cost, which
approximates market value.

Inventories      Inventories of flight equipment expendable parts, materials,
and supplies are carried at average cost.  These items are charged to expense
when issued for use.

Property and equipment    Depreciation is provided by the straight-line method
to residual values over periods ranging from 15 to 20 years for flight
equipment and 3 to 30 years for ground property and equipment. Property under
capital leases and related obligations are recorded at an amount equal to the
present value of future minimum lease payments computed on the basis of the
Company's incremental borrowing rate or, when known, the interest rate implicit
in the lease. Amortization of property under capital leases is on a
straight-line basis over the lease term and is included in depreciation
expense.

Aircraft and engine maintenance   The cost of engine overhauls and routine
maintenance costs for aircraft and engine maintenance are charged to
maintenance expense as incurred.  Scheduled airframe overhaul costs are
capitalized at amounts not to exceed the fair market value of the related
aircraft and amortized over the estimated periods benefited, presently 8 years.
Modifications that




                                     F-14
<PAGE>   32
significantly enhance the operating performance or extend the useful lives of
aircraft or engines are capitalized and amortized over the remaining life of
the asset.

Revenue recognition      Passenger revenue is recognized when the transportation
is provided. Tickets sold but not yet used are included in "Air traffic
liability", which includes estimates that are evaluated and adjusted
periodically.  Any adjustments resulting therefrom are included in results of
operations for the periods in which the evaluations are completed.

Frequent flyer awards     The Company accrues the estimated incremental cost of
providing free travel awards earned under its Company Club frequent flyer
program.

Advertising      The Company expenses the production costs of advertising as
incurred.  Advertising expense for the years ended December 31, 1995, 1994, and
1993 was $92,087,000, $79,475,000, and $55,344,000, respectively.

Stock-Based Employee Compensation          The Company accounts for stock-based
compensation plans utilizing the provisions of Accounting Principles Board
Opinion No. 25 (APB25), "Accounting for Stock Issued to Employees."  In October
of 1995, the Financial Accounting Standards Board issued Statement of Financial
Accounting Standards No. 123 (SFAS 123), "Accounting for Stock-Based
Compensation."  The Company is not required to adopt the provisions of SFAS 123
until 1996.  Under SFAS 123, companies are allowed to continue to apply the
provisions of APB 25 to their stock-based employee compensation arrangements.
As such, the Company will only be required to supplement its financial
statements with additional disclosures beginning in 1996.

2.  ACQUISITION

On December 31, 1993, Southwest exchanged 3,574,656 newly issued shares of its
common stock for all of the outstanding stock of Morris Air Corporation
(Morris), a low-fare commercial/charter air carrier based in Salt Lake City.
The acquisition was accounted for as a pooling of interests and, accordingly,
the Company's consolidated financial statements were restated to include the
accounts and operations of Morris for all periods prior to the acquisition.

Merger expenses of $10,803,000 relating to the merger of Southwest and Morris
have been included in 1993 operating expenses as required for financial
reporting purposes; however, these expenses have been separately reported as
"merger expenses" to reflect the impact of these nonrecurring expenses on
operating results.




                                     F-15
<PAGE>   33
3. ACCOUNTING CHANGES

Income Taxes     Effective January 1, 1993, the Company adopted Statement of
Financial Accounting Standards No. 109 (SFAS 109), "Accounting for Income
Taxes". As a result of adopting SFAS 109, the Company recorded deferred tax
assets of $6,977,000 and reduced deferred tax liabilities by $9,048,000 at
January 1, 1993, which resulted in an increase to the Company's 1993 net income
of $16,025,000 ($.11 per share) for the cumulative effect of the accounting
change.

Postretirement Benefits   Effective January 1, 1993, the Company adopted
Statement of Financial Accounting Standards No.  106 (SFAS 106), "Employers'
Accounting for Postretirement Benefits Other Than Pensions".  The cumulative
effect of this change in accounting method at January 1, 1993 reduced 1993 net
income by $766,000 (net of benefit from income taxes of $469,000) or $.01 per
share. The effect of adopting SFAS 106 on 1993 income before cumulative effect
of accounting changes was not material.

4. COMMITMENTS

The Company's contractual purchase commitments consist primarily of scheduled
aircraft acquisitions. Timing of payments pursuant to contractual commitments
was affected by third quarter 1995 amendments to certain aircraft purchase
contracts, which modified future progress payment schedules. Twenty 737-300
aircraft are scheduled for delivery in 1996, and 17 in 1997. Four 737-700s are
scheduled for delivery in 1997, 16 in 1998, 16 in 1999, 15 in 2000, and 12 in
2001.  In addition, the Company has options to purchase up to sixty-seven
737-700s during 1998-2004. The Company has the option, which must be exercised
two years prior to the contractual delivery date, to substitute 737-600s or
737-800s for the 737-700s delivered subsequent to 1999. Aggregate funding
needed for these commitments is approximately $2,614.0 million, subject to
adjustments for inflation, due as follows: $461.5 million in 1996, $576.9
million in 1997, $446.9 million in 1998, $551.2 million in 1999, $351.0 million
in 2000, and $226.5 million in 2001.

The Company uses jet fuel and heating oil fixed price swap arrangements to
hedge its exposure to price fluctuations on approximately two percent of its
annual fuel requirements.  As of December 31, 1995, the Company had a heating
oil swap agreement with a broker-dealer to exchange monthly payments on a
notional quantity of 1,050,000 gallons during May 1996.  Under the swap
agreement, the Company pays or receives the difference between the daily
average heating oil price and a fixed price of $.46 per gallon.  Gains and
losses on such transactions are recorded as adjustments to fuel expense and
have been insignificant.  Although




                                     F-16
<PAGE>   34
such agreements expose the Company to credit loss in the event of
nonperformance by the other parties to the agreements, the Company does not
anticipate such nonperformance.

5. ACCRUED LIABILITIES
(in thousands)
<TABLE>
<CAPTION>
                                             1995                       1994
- --------------------------------------------------------------------------------
<S>                                       <C>                         <C>
 Aircraft rentals_____________           $ 105,534                   $  67,407
                                   
 Employee profitsharing and        
   savings plans  (Note 10)___              55,253                      53,512
                                   
 Vacation pay_________________              38,777                      31,801
                                   
 Aircraft maintenance costs___              31,463                      37,330
                                   
 Taxes, other than income_____              22,478                      25,001
                                   
 Interest_____________________              22,326                      20,270
                                   
 Other________________________              72,645                      53,658
                                       ----------------------------------------- 
                                         $ 348,476                   $ 288,979
                                       =========================================
                                   
6. LONG-TERM DEBT                  
(in thousands)                     
                                   
                                             1995                       1994
- --------------------------------------------------------------------------------
                                   
 9 1/4% Notes due 1998_________           $100,000                    $100,000
                                   
 9.4% Notes due 2001___________            100,000                     100,000
                                   
 8 3/4% Notes due 2003_________            100,000                     100,000
                                   
 7 7/8% Notes due 2007_________            100,000                     100,000
                                   
 8% Notes due 2005_____________            100,000                          -
                                   
 Capital leases (Note 7)_______            177,696                     195,756
                                   
 Other_________________________                430                         435
                                       ----------------------------------------- 
                                           678,126                     596,191
 Less current maturities_______             13,516                       9,553
                                   
 Less debt discount____________              3,600                       3,567
                                       ----------------------------------------- 
                                          $661,010                    $583,071
                                       ========================================= 
</TABLE>                                                      




                                     F-17
<PAGE>   35
On March 7, 1995, the Company issued $100 million of senior unsecured 8% Notes
due March 1, 2005.  Interest is payable semi-annually on March 1 and September
1.  The Notes are not redeemable prior to maturity.

On September 9, 1992, the Company issued $100 million of senior unsecured 
7 7/8% Notes due September 1, 2007.  Interest is payable semi-annually on 
March 1 and September 1.  The Notes are not redeemable prior to maturity.

During 1991, the Company issued $100 million of senior unsecured 9 1/4% Notes, 
$100 million of senior unsecured 9.4% Notes, and $100 million of senior
unsecured 8 3/4% Notes due February 15, 1998, July 1, 2001, and October 15,
2003, respectively. Interest on the Notes is payable semi-annually. The Notes
are not redeemable by the Company prior to maturity.

The fair values, based on quoted market prices, of these Notes at December 31,
1995, were as follows (in thousands):

 9 1/4% Notes due 1998_______________              $106,720

 9.4% Notes due 2001_________________               114,610

 8 3/4% Notes due 2003_______________               114,350

 7 7/8% Notes due 2007_______________               110,530

 8% Notes due 2005___________________               110,310


In addition to the credit facilities described above, Southwest has an
unsecured Bank Credit Agreement with a group of banks that permits Southwest to
borrow through December 14, 1999 on a revolving credit basis up to $460
million.  Interest rates on borrowings under the Credit Agreement can be, at
the option of Southwest, the agent bank's prime rate, 0.275% over LIBOR, or
0.50% over domestic certificate of deposit rates. The commitment fee is 0.125%
per annum. There were no outstanding borrowings under this agreement at
December 31, 1995 or 1994.




                                     F-18
<PAGE>   36
7. LEASES

Total rental expense for operating leases charged to operations in 1995, 1994,
and 1993 was $247,033,000, $198,987,000, and $167,303,000, respectively. The
majority of the Company's terminal operations space, as well as 100 aircraft,
were under operating leases at December 31, 1995. The amounts applicable to
capital leases included in property and equipment were (in thousands):

<TABLE>
<CAPTION>
                                             1995                       1994
- -------------------------------------------------------------------------------
 <S>                                       <C>                        <C>
 Flight equipment________________          $223,844                   $233,324
                                     
 Less accumulated amortization___           101,641                     88,656
                                          -------------------------------------
                                           $122,203                   $144,668
                                          =====================================
</TABLE>


Future minimum lease payments under capital leases and noncancelable operating
leases, with initial or remaining terms in excess of one year, at December 31,
1995, were (in thousands):

<TABLE>
<CAPTION>
                                               CAPITAL                  OPERATING
                                               LEASES                    LEASES
- ---------------------------------------------------------------------------------
 <S>                                        <C>                      <C>
       1996______________________             $27,796                   $223,279
       1997______________________              25,858                    207,875
       1998______________________              32,026                    187,662
       1999______________________              20,245                    173,846
       2000______________________              16,871                    165,692
                                     
 After 2000______________________             172,751                  1,935,372
                                           --------------------------------------
 Total minimum lease payments____             295,547                 $2,893,726
                                                                  ===============
 Less amount representing            
    interest_____________________             117,851
 Present value of minimum                  -----------
    lease payments_______________             177,696
                                     
 Less current portion____________              13,505
                                           -----------
 Long-term portion_______________            $164,191
                                           ===========

</TABLE>  

The aircraft leases can generally be renewed at rates, based on fair market
value at the end of the lease term, for one to five years.  Most aircraft
leases have purchase options at or near the end of  the lease term at fair
market value, but generally not to exceed a stated percentage of the lessor's 
defined cost of the aircraft.





                                     F-19
<PAGE>   37
8. COMMON STOCK

At December 31, 1995, the Company had common stock reserved for issuance
pursuant to Employee stock benefit plans (29,202,885 shares) and upon exercise
of rights pursuant to the Common Stock Rights Agreement (Agreement), as amended
(173,236,158 shares).

Pursuant to the Agreement, each outstanding share of the Company's common stock
is accompanied by one common share purchase right (Right). Each Right entitles
its holder to purchase one share of common stock at an exercise price of $16.67
and is exercisable only in the event of a proposed takeover, as defined by the
Agreement. The Company may redeem the Rights at $.0111 per Right prior to the
time that 20 percent of the common stock has been acquired by a person or
group. If the Company is acquired or if certain self-dealing transactions
occur, as defined in the Agreement, each Right will entitle its holder to
purchase for $16.67 that number of the acquiring company's or the Company's
common shares, as provided in the Agreement, having a market value of two times
the exercise price of the Right. The Rights will expire no later than July 30,
1996.

On May 19, 1993, the Company's Board of Directors declared a three-for-two
stock split, distributing 46,325,147 shares on July 15, 1993.

9. STOCK PLANS

In May 1991, the Company's stockholders approved the Incentive Stock Option
Plan and the Non-Qualified Stock Option Plan. Under the Incentive Stock Option
Plan, options to purchase a maximum of 9,000,000 shares of Southwest common
stock may be granted to key Employees. Under the Non-Qualified Stock Option
Plan, options to purchase up to 750,000 shares of Southwest common stock may be
granted to key Employees and non-employee directors. Under each plan, the
option price per share may not be less than the fair market value of a share on
the date the option is granted and the maximum term of an option may not exceed
ten years.

Effective January 12, 1995, the Company adopted, pursuant to a collective
bargaining agreement between the Company and the Southwest Airlines Pilots'
Association (SWAPA), the 1995 SWAPA Non-Qualified Stock Option Plan (SWAPA
Plan).  Under the terms of the SWAPA Plan, 18,000,000 common shares have been
reserved for issuance.  An initial grant of approximately 14.5 million shares
was made on the effective date at an option price of $20.00 per share.  On
September 1 of each year of the agreement, commencing September 1, 1996,
additional options will be granted to Pilots that became eligible during that 
year at an option price equal to the fair market value of the common stock of 
the Company on the 




                                     F-20
<PAGE>   38
date of grant plus 5 percent.  Options vest in ten annual increments of ten per
cent and must be exercised prior to January 31, 2007, or within a specified 
time upon retirement or termination.  In the event that SWAPA exercises its 
option to make the collective bargaining agreement amendable on September 1, 
1999, any unexercised options will be canceled on December 1, 1999.

Information regarding the stock option plans is summarized below:


<TABLE>
<CAPTION>
                                          INCENTIVE                 NON-QUALIFIED
                                             PLAN                      PLANS *    
                                         -------------             --------------
<S>                                     <C>                       <C> 
Outstanding December 31, 1992__            4,016,904                     374,625
                                                                                  
Granted________________________              724,646                      22,512
                                      
Exercised______________________           **(198,285)                 ***(94,810)
                                      
Surrendered____________________             (230,978)                     (1,050)
                                      --------------              --------------
Outstanding December 31, 1993___           4,312,287                     301,277
                                      
Granted_________________________             794,714                      63,918
                                                                                     
Exercised_______________________            (190,159)                     (9,940)
                                      
Surrendered_____________________            (104,880)                         - 
                                      --------------              --------------
                                      
Outstanding December 31, 1994___           4,811,962                     355,255
Granted_________________________             983,214                  14,620,365
Exercised_____________________              (275,058)                    (60,510)
Surrendered___________________              (308,239)                    (61,041)
                                           ---------                    --------
Outstanding December 31, 1995___           5,211,879                  14,854,069
                                           =========                  ==========
                                      
Exercisable_____________________             889,499                   2,892,969
                                      
Available for granting in             
    future periods______________           2,772,719                   3,719,841
                                      
Average price of exercised            
    options:                                   
       1995_____________________               $8.50                      $15.12
       1994_____________________               $8.23                       $7.85
       1993_____________________               $7.14                       $7.37
</TABLE>




                                     F-21
<PAGE>   39
           *Includes 1991 Non-Qualified Plan and SWAPA Plan.
          **Includes 108,113 pre-split shares and 36,115 post-split 
            shares, of which 5,476 pre-split shares and 72 post-split 
            shares were issued from treasury.
         ***Includes 12,740 pre-split shares and 75,700 post-split 
            shares.

The exercise price of outstanding options ranged from $6.02 to $37.44 in 1995
and 1994, and $6.02 to $19.71 in 1993.

In 1991, the Company's stockholders also approved the Employee Stock Purchase
Plan that provides for the sale of common stock to Employees of the Company at
a price equal to 90% of the market value at the end of each purchase period.
Common stock purchases are paid for through periodic payroll deductions.
Participants under the plan received 388,339 shares in 1995, 290,054 shares in
1994, and 182,459 shares (59,442 pre-split shares and 93,296 post-split shares)
in 1993 at average prices of $19.18, $24.98, and $25.25, respectively.

At December 31, 1995, 1994, and 1993, 1,422,253, 1,489,753, and 1,504,753,
options to purchase the Company's common stock were also outstanding related to
employment contracts with the Company's president and chief executive officer.
Exercise prices range from $1.00 to $11.33 per share. Options for 67,500
shares, 15,000 shares, and 7,500 shares (5,000 pre-split shares, of which 968
shares were issued from treasury), were exercised in 1995, 1994, and 1993,
respectively.

10. EMPLOYEE PROFITSHARING AND SAVINGS PLANS

Substantially all of Southwest's Employees are members of the Southwest
Airlines Co. Profitsharing Plan (the Plan).  Total profitsharing expense
charged to operations in 1995, 1994, and 1993, was $54,033,000, $52,782,000,
and $44,959,000, respectively. The Company sponsors Employee savings plans
under Section 401(k) of the Internal Revenue Code. The plans cover
substantially all full-time Employees. The amount of matching contributions
varies by Employee group. Company contributions generally vest over five years
with credit for prior years' service granted. Company matching contributions
expensed in 1995, 1994, and 1993 were $28,954,000, $19,817,000, and
$13,986,000, respectively.

11. INCOME TAXES

Effective January 1, 1993, the Company changed its method of accounting for
income taxes from the deferred method to the liability method as required by
SFAS 109 (see Note 3).  




                                     F-22
<PAGE>   40
Under SFAS 109, deferred income taxes reflect the net tax effects of temporary 
differences between the carrying amounts of assets and liabilities for 
financial reporting purposes and the amounts used for income tax purposes.  
The components of deferred tax assets and liabilities at December 31, 1995 and 
1994 are as follows (in thousands):

<TABLE>
<CAPTION>
                                                     1995       1994   
                                                   -------     -------
<S>                                              <C>        <C>
Deferred tax liabilities:                   
                                            
     Accelerated depreciation_____________        $400,321   $343,585
     Scheduled airframe overhauls_________          27,129     23,966
     Other________________________________          68,458     55,953
                                                  --------   --------
        Total deferred tax liabilities____         495,908    423,504
                                            
Deferred tax assets:                        
                                            
     Deferred gains from sale and           
        leaseback of aircraft_____________         106,119     95,602
     Capital and operating leases_________          54,472     38,240
     Alternative minimum tax credit         
         carryforward_____________________          11,333     22,778
     Other________________________________          52,810     43,856
                                                  --------   --------
        Total deferred tax assets_________         224,734    200,476
                                                  --------   --------
        Net deferred tax liability________        $271,174   $223,028
                                                  ========   ========
</TABLE>

In August 1993, the Revenue Reconciliation Act of 1993 was enacted, which
contains numerous provision changes including an increase in the federal
corporate income tax rate from 34 percent to 35 percent effective January 1,
1993.  As a result, the Company recognized approximately $4.0 million of
additional expense in 1993 related to deferred tax liabilities existing on
January 1, 1993.

The provision for income taxes before the cumulative effect of accounting
changes is comprised of the following (in thousands):

<TABLE>
<CAPTION>
                          1995             1994          1993  
- -------------------------------------------------------------------

<S>                     <C>              <C>           <C>      
 Current:
   Federal__________     $64,420          $59,603       $46,744
   State____________       9,947           10,702         5,409        
                        --------         --------      --------
    Total current___      74,367           70,305        52,153
                                                                  
 Deferred:
   Federal__________      44,580           46,470        48,524     
   State____________       3,567            3,417         4,676 
                        --------         --------      --------
    Total deferred__      48,147           49,887        53,200                              
                        --------         --------      --------
                        $122,514         $120,192      $105,353
                        ========         ========      ========
</TABLE>




                                     F-23
<PAGE>   41

Southwest has received examination reports from the Internal Revenue Service
proposing certain adjustments to Southwest's income tax returns for 1987
through 1991.  The adjustments relate to certain types of aircraft financings
consummated by Southwest, as well as other members of the aviation industry
during that time period.  Southwest intends to vigorously protest the
adjustments proposed with which it does not agree.  The industry's difference
with the IRS involves complex issues of law and fact that are likely to take a
substantial period of time to resolve.  Management believes that final
resolution of such protest will not have a materially adverse effect upon the
results of operations of Southwest.

The effective tax rate on income before cumulative effect of accounting changes
differed from the federal income tax statutory rate for the following reasons
(in thousands):

<TABLE>
<CAPTION>
                                  1995              1994             1993 
- ---------------------------------------------------------------------------
 <S>                          <C>               <C>               <C>
 Tax at statutory                                           
   U.S. tax rates______        $106,799          $104,833           $90,873
 Nondeductible items___           4,488             3,689             1,361
 State income taxes,                                        
   net of federal                                           
   benefit_____________           8,784             9,177             6,632
 Effect of increase                                         
    in U.S. statutory                                       
      rate_____________             -                  -              3,957  
 Other, net____________           2,443             2,493             2,530    
                               --------          --------          -------- 
 Total income tax                                           
   provision___________        $122,514          $120,192          $105,353
                               ========          ========          ========    
                                                            
</TABLE>

12.  NET INCOME PER COMMON AND COMMON EQUIVALENT SHARE

Net income per common and common equivalent share is computed based on the
weighted average number of common and common equivalent shares outstanding
(148,850,512 in 1995, 147,305,374 in 1994, and 147,144,568 in 1993). Fully
diluted earnings per share have not been presented as the fully dilutive effect
of shares issuable upon the exercise of options under the Company's Stock
Option Plans is not material.








                                     F-24
<PAGE>   42

REPORT OF ERNST & YOUNG LLP
INDEPENDENT AUDITORS
The Board of Directors and Shareholders
Southwest Airlines Co.

We have audited the accompanying consolidated balance sheets of Southwest
Airlines Co. as of December 31, 1995 and 1994, and the related consolidated
statements of income, stockholders' equity, and cash flows for each of the
three years in the period ended December 31, 1995. These financial statements
are the responsibility of the Company's management. Our responsibility is to
express an opinion on these financial statements based on our audits.

We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements are free of
material misstatement. An audit includes examining, on a test basis, evidence
supporting the amounts and disclosures in the financial statements. An audit
also includes assessing the accounting principles used and significant
estimates made by management, as well as evaluating the overall financial
statement presentation. We believe that our audits provide a reasonable basis
for our opinion.

In our opinion, the financial statements referred to above present fairly, in
all material respects, the consolidated financial position of Southwest
Airlines Co. at December 31, 1995 and 1994, and the consolidated results of its
operations and its cash flows for each of the three years in the period ended
December 31, 1995, in conformity with generally accepted accounting principles.

As discussed in Note 3, during 1993, the Company changed its method of
accounting for income taxes and postretirement benefits.

                                                               ERNST & YOUNG LLP

Dallas, Texas
January 25, 1996




                                     F-25
<PAGE>   43

                                   SIGNATURES

     Pursuant to the requirements of Section 13 or 15(d) of the Securities and
Exchange Act of 1934, the registrant has duly caused this report to be signed
on its behalf by the undersigned, thereunto duly authorized.

                                        SOUTHWEST AIRLINES CO.
                                        
March 21, 1996                          
                                        By /s/ GARY C. KELLY        
                                           -----------------------------------
                                             Gary C . Kelly
                                             Vice President-Finance,
                                             Chief Financial Officer


     Pursuant to the requirements of the Securities Exchange Act of 1934, this
report has been signed below by the following persons on March 21, 1996 on
behalf of the registrant and in the capacities indicated.


<TABLE>
<CAPTION>
     Signature                                     Capacity
     ---------                                     --------
<S>                                   <C>
/s/ HERBERT D. KELLEHER               Chairman of the Board of Directors,
- ----------------------------------    President and Chief Executive Officer
Herbert D. Kelleher                   

/s/ GARY C. KELLY                     Vice President-Finance
- ----------------------------------    (Chief Financial and Accounting Officer)
Gary C. Kelly                         

/s/ Samuel E. Barshop                 Director
- ----------------------------------            
Samuel E. Barshop

/s/ Gene H. Bishop                    Director
- ----------------------------------            
Gene H. Bishop

/s/ C. Webb Crockett                  Director
- ----------------------------------            
C. Webb Crockett

/s/ William P. Hobby, Jr.             Director
- ----------------------------------            
William P. Hobby, Jr.

/s/ Travis C. Johnson                 Director
- ----------------------------------            
Travis C. Johnson

/s/ R.W. King                         Director
- ----------------------------------            
R. W. King

/s/ Walter M. Mischer, Sr.            Director
- ----------------------------------            
Walter M. Mischer, Sr.

/s/ June M. Morris                    Director
- ----------------------------------            
June M. Morris
</TABLE>
<PAGE>   44

                               INDEX TO EXHIBITS

3.1      Restated Articles of Incorporation of Southwest (incorporated by
         reference to Exhibit 4.1 to Southwest's Registration Statement on
         Form S-3 (File No. 33-52155)).

3.2      Bylaws of Southwest, as amended through February 1994 (incorporated by
         reference to Exhibit 3.2 to Southwest's Annual Report on Form 10-K for
         the year ended December 31, 1993 (File No. 1-7259)).

4.1      Credit Agreement dated December 15, 1990, between Southwest and Texas
         Commerce Bank - Dallas, N.A., as agent for itself and four other banks
         named therein, and such banks (incorporated by reference to Exhibit
         4.1 on Southwest's Current Report on Form 8-K dated February 14, 1991
         (File No. 1-7259)); First Amendment to Credit Agreement, dated April
         4, 1991 and Second Amendment to Credit Agreement, dated December 14,
         1991 (incorporated by reference to Exhibit 4.1 to Southwest's Annual
         Report on Form 10-K for the year ended December 31, 1991 (File No.
         1-7259)); Third Amendment to Credit Agreement, dated December 14, 1992
         (incorporated by reference in Exhibit 4.1 to Southwest's Annual Report
         on Form 10-K for the year ended December 31, 1992 (File No. 1-7259));
         Fourth Amendment to Credit Agreement, dated December 14, 1993
         (incorporated by reference to Exhibit 4.1 to Southwest's Annual Report
         on Form 10-K for the year ended December 31, 1994 (File No. 1-7259)).
         Fifth and Sixth Amendments to Credit Agreement dated March 10, 1995
         and May 18, 1995, respectively.

4.2      Specimen certificate representing Common Stock of Southwest
         (incorporated by reference to Exhibit 4.2 to Southwest's Annual Report
         on Form 10-K for the year ended December 31, 1994 (File No. 1-7259)).

4.3      Indenture dated as of December 1, 1985 between Southwest and MBank
         Dallas, N.A., Trustee, relating to an unlimited amount of Debt
         Securities (incorporated by reference to Exhibit 4.1 of Southwest's
         Current Report on Form 8-K dated February 26, 1986 (File No. 1-7259))
         and First Supplemental Indenture dated as of January 21, 1988,
         substituting MTrust Corp, National Association, as Trustee, thereunder
         (incorporated by reference to Exhibit 4.3 on Southwest's Annual
         Report on Form 10-K for the year ended December 31, 1987 (File
         1-7259)).

4.4      Rights Agreement dated July 14, 1986 between Southwest and MBank
         Dallas, N.A., as Rights Agent (incorporated by reference to Exhibit
         1, Southwest's Registration Statement on Form 8-A dated July 15, 1986
         (File No. 1-7259)) and Amendment No. 1 to Rights Agreement, dated as
         of December 1, 1990 between Southwest and Ameritrust Texas N.A.
         (incorporated by reference to Exhibit 4.2 on Southwest's Current
         Report on Form 8-K dated February 14, 1991 (File No. 1-7259)).

4.5      Indenture dated as of June 20, 1991 between Southwest Airlines Co.
         and Bank of New York, successor to NationsBank of Texas, N.A.
         (formerly NCNB Texas National Bank), Trustee (incorporated by
         reference to Exhibit 4.1 to Southwest's Current Report on Form 8-K
         dated June 24, 1991 (File No. 1-7259)).





                                     E-1
<PAGE>   45

4.6      Form of 9.4 percent Note due 2001 (incorporated by reference to
         Exhibit 4.2 to Southwest's Current Report on Form 8-K dated June 24,
         1991 (File No. 1-7259)).

4.7      Form of 8-3/4 percent Note due 2003 (incorporated by reference to
         Exhibit 4.2 to Southwest's Current Report on Form 8-K dated October 4,
         1991 (File No. 1-7259)).

4.9      Form of 9-1/4 percent Note due 1998 (incorporated by reference to
         Exhibit 4.9 to Southwest's Annual Report on Form 10-K for the year
         ended December 31, 1991 (File No. 1-7259)).

4.10     Form of 7-7/8 percent Note due 2007 (incorporated by reference to
         Exhibit 4.10 to Southwest's Annual Report on Form 10-K for the year
         ended December 31, 1992 (File No. 1-7259)).

4.11     Form of Global Security representing all 8 percent Notes due 2005
         (incorporated by reference to Exhibit 4 to Southwest's current
         Report on Form 8-K dated March 6, 1995 (File No. 1-7259)).

10.1     General Terms Agreement between CFM International, Inc. and Southwest
         (with all amendments through March 29, 1990) dated May 28, 1981
         (incorporated by reference to Exhibit 10.2 on Southwest's Annual
         Report on Form 10-K for the year ended December 31, 1989 (File No.
         1-7259)); Amendments from November 6, 1989 through March 29, 1993
         (incorporated by reference to Exhibit 10.2 on Southwest's Annual
         Report on Form 10-K for the year ended December 31, 1992 (File No.
         1-7259)); Amendments from March 29, 1993 through March 29, 1994
         (incorporated by reference to Exhibit 10.2 to Southwest's Annual
         Report on Form 10-K for the year ended December 31, 1993 (File No.
         1-7259)); Amendment No. 7 and Letter Agreement No. 11, each dated as
         of January 19, 1994 (incorporated by reference to Exhibit 10.2 to
         Southwest's Annual Report on Form 10-K for the year ended December 31,
         1993 (File No. 1-7259)).

10.2     Purchase Agreement No. 1405, dated July 23, 1987 between The Boeing
         Company and Southwest (with all amendments through March 29, 1990)
         (incorporated by reference to Exhibit 10.3 on Southwest's Annual
         Report on Form 10-K for the year ended December 31, 1989 (File No.
         1-7259)); Amendments from April 1, 1990 through March 29, 1993
         (incorporated by reference to Exhibit 10.3 on Southwest's Annual
         Report on Form 10-K for the year ended December 31, 1992 (File No.
         1-7259)); Amendments from March 29, 1993 through March 29, 1994
         (incorporated by reference to Exhibit 10.3 to Southwest's Annual
         Report on Form 10-K for the year ended December 31, 1993 (File No.
         1-7259)); Amendments from March 30, 1994 through March 29, 1995
         (incorporated by reference to Exhibit 10.2 to Southwest's Annual
         Report on Form 10-K for the year ended December 31, 1993 (File No.
         1-7259)); Amendments from March 30, 1995 through March 29, 1996.

10.3     Purchase Agreement No. 1810, dated January 19, 1994 between The Boeing
         Company and Southwest (incorporated by reference to Exhibit 10.4 to
         Southwest's Annual Report on Form 10-K for the year ended December 31,
         1993 (File No. 1-7259)).




                                     E-2
<PAGE>   46

The following exhibits filed under paragraph 10 of Item 601 are the Company's
compensation plans and arrangements.

10.4     1985 stock option agreements between Southwest and Herbert D. Kelleher
         (incorporated by reference to Exhibit 10.1 to Southwest's Quarterly
         Report on Form 10-Q for the quarter ended September 30, 1985 (File No.
         1-7259)).

10.5     Form of Executive Employment Agreement between Southwest and certain
         key employees pursuant to Executive Service Recognition Plan
         (incorporated by reference to Exhibit 28 to Southwest Quarterly Report
         on Form 10-Q for the quarter ended June 30, 1987 (File No. 1-7259)).

10.6     1992 stock option agreements between Southwest and
         Herbert D. Kelleher (incorporated by reference to Exhibit 10.8 to
         Southwest's Annual Report on Form 10-K for the year ended December 31,
         1991 (File No. 1-7259)).

10.7     1987 stock option agreement between Southwest and Herbert D. Kelleher
         (incorporated by reference to Exhibit 10.11 to Southwest's Annual
         Report on Form 10-K for the year ended December 31, 1987 (File No.
         1-7259)).

10.8     1996 employment contract between Southwest and Herbert D. Kelleher and
         related stock option agreements.

10.9     1991 Incentive Stock Option Plan (incorporated by reference to Exhibit
         4.1 to Registration Statement on Form S-8 (File No. 33-40652)).

10.10    1991 Non-Qualified Stock Option Plan (incorporated by reference to
         Exhibit 4.2 to Registration Statement on Form S-8 (File No.
         33-40652)).

10.11    1991 Employee Stock Purchase Plan as amended May 20, 1992
         (incorporated by reference to Exhibit 10.13 to Southwest's Annual
         Report on Form 10-K for the year ended December 31, 1992 (File No.
         1-7259)).

10.12    Southwest Airlines Co. Profit Sharing Plan (incorporated by reference
         to Exhibit 10.13 to Southwest's Annual Report on Form 10-K for the
         year ended December 31, 1991 (File No. 1-7259)).

10.13    Southwest Airlines Co. 401(k) Plan (incorporrated by reference to
         Exhibit 10.14 to Southwest's Annual Report on Form 10-K for the year
         ended December 31, 1991 (File No. 1-7259)).

10.14    Southwest Airlines Co. 1995 SWAPA Non-Qualified Stock Option Plan
         (incorporated by reference to Exhibit 10.14 to Southwest's Annual
         Report on Form 10-K for the year ended December 31, 1994 (File No.
         1-7259)).

11       Computation of earnings per share.

22       Subsidiaries of Southwest.

23       Consent of Ernst & Young LLP, Independent Auditors.

27       Financial Data Schedule.


                                     E-3

<PAGE>   1
                                                                     EXHIBIT 4.1


                   FIFTH AMENDMENT TO COMPETITIVE ADVANCE AND
                      REVOLVING CREDIT FACILITY AGREEMENT

     THIS AMENDMENT is entered into as of March 10, 1995, among SOUTHWEST
AIRLINES CO., a Texas corporation (the "Company"), the banks listed on the
signature pages hereof ("Banks"), TEXAS COMMERCE BANK NATIONAL ASSOCIATION
(formerly TEXAS COMMERCE BANK, NATIONAL ASSOCIATION), a national banking
association, as agent for the Banks (in such capacity, "Agent"), TEXAS COMMERCE
BANK NATIONAL ASSOCIATION, a national banking association, as Funds
Administrator (in such capacity, "Funds Administrator"), and CHEMICAL BANK, a
New York banking corporation, as auction administration agent (in such
capacity, "Auction Administration Agent").

     The Company, Banks, Agent, Funds Administrator and Auction Administration
Agent have entered into the Competitive Advance and Revolving Credit Facility
Agreement dated as of December 14, 1990 (as previously amended as of April 4,
1991, December 14, 1991, December 14, 1992, and December 14, 1993 and as
further renewed, extended, amended, or supplemented, the "Credit Agreement").
The Company has requested that the Banks extend the Original Termination Date
to December 14, 1999 and change certain pricing provisions.

     NOW, THEREFORE, in consideration of the premises and other valuable
consideration, the receipt and adequacy of which are hereby acknowledged, the
Company, Banks, Agent, Funds Administrator and Auction Administration Agent
agree as follows:

     1. Unless otherwise specified herein, terms defined in the Credit
Agreement have the same meaning when used herein and all references to
"Sections" and "Schedules" are references to sections and schedules of or to
the Credit Agreement.

     2. The following definitions are deleted from Section 1.01 of the Credit
Agreement:


                               "Anniversary Date"
                               "Continuing Banks"
                               "Existing Termination Date"
                               "Nominee"
                               "Non-Consenting Banks"
                               "Notice of Cancellation"
                               "Notice of Extension"
                               "Relevant Anniversary Date"

     3. The definition of Original Termination Date in Section 1.01 of the
Credit Agreement is amended to read "December 14, 1999," instead of "December
14, 1996."

     4. New definitions, reading as follows, are added to Section 1.01 of the
Credit Agreement in appropriate alphabetical order:

<PAGE>   2




         "LIBO Margin for Committed Loans" means the following percentages in
         the following contexts:

<TABLE>
<CAPTION>
        Company's senior unsecured long-term
        debt as rated by S&P or Moody's,
        whichever is higher                         Percentage     
        -------------------                         ----------     
          <S>                                          <C>         
          A1 or better                                 .25         
          A- or BBB+2                                  .275        
          BBB3                                         .3125       
          BBB-4 or below                               .50         
</TABLE>

         "Moody's" means Moody's Investor Service, Inc.

         "S&P" means Standard & Poors Corporation.

     5. The definition of Facility Fee Percentage in Section 1.01 of the Credit
Agreement is amended to read as follows:

         "Facility Fee Percentage" means the following percentages in the 
         following contexts:

<TABLE>
<CAPTION>
       Company's senior unsecured long-term
       debt as rated by S&P or Moody's,
       whichever is higher                         Percentage      
       -------------------                         ----------      
         <S>                                           <C>         
         A1 or                                         .10         
         A- or BBB+2                                   .125        
         BBB3                                          .1875       
         BBB-4 or below                                .25         
</TABLE>

     6. The definition of Commitment found in Section 1.01 of the Credit
Agreement is amended by deleting the words "and Section 2.20" each time they
appear and by deleting the comma found after the reference to "Section 2.06"
and inserting the word "and" in lieu thereof.

- --------
(1)      A is the S&P rating designation. The rating from Moody's that
         corresponds to A is A2.

(2)      BBB+ is the S&P rating designation. The rating from Moody's that
         corresponds to BBB+ is Baa1.

(3)      BBB is the S&P rating. The rating from Moody's that corresponds to BBB
         is Baa2.

(4)      BBB- is the S&P rating. The rating from Moody's that corresponds to
         BBB- is Baa3.




                                     -2-
<PAGE>   3



     7. The definition of Majority Committed Banks found in Section 1.01 of the
Credit Agreement is amended by deleting therefrom the following: ", except as
provided in Section 2.20(f),".

     8. The definition of Termination Date found in Section 1.01 of the Credit
Agreement is amended by deleting the parenthetical phrase found therein.

     9. Section 2.09(a)(ii) is amended in its entirety as follows:

               (ii) the LIBO Rate for the Interest Period in effect for such
          Loan (A) plus or minus, as the case may be, in the case of each
          Competitive Loan, the Margin specified by a Bank with respect to such
          Loan in its Competitive Bid submitted pursuant to Section 2.02(b) or
          (B) plus, in the case of each Committed Loan, the LIBO for Committed
          Loans.

     10. Section 2.15(e) of the Credit Agreement is amended to read as follows:

               (e)      the consent by some Banks but not all of the Banks to
           the extension of any Termination Date,

     11. Section 2.16 of the Credit Agreement is amended by deleting therefrom
the words "or pursuant to Section 2.20".

     12. Section 2.17 of the Credit Agreement is amended by deleting the words
"or Section 2.20" therefrom and inserting the word "and" before the reference
to Section 2.15.

     13. Section 2.18(a) of the Credit Agreement is amended by deleting the
words "and Section 2.20", inserting the word "and" before the reference to
Section 2.15 and deleting from the parenthetical found therein the words "and
payments made to a Non-Consenting Bank pursuant to Section 2.20".

     14. Section 2.20 of the Credit Agreement is deleted in its entirety and
the following substituted therefor: "[OMITTED INTENTIONALLY]."

     15. Section 8.1 of the Credit Agreement is amended by deleting the phrase
"except as expressly provided in Section 2.20" from clause (d) and by deleting
the words "Section 2.20 or" from clause (e).

     16. The Credit Agreement is further amended by correcting the following
typographical errors:

<TABLE>
<CAPTION>
       Section                  Current Word                  Corrected Word
       -------                  ------------                  --------------
       <S>                      <C>                              <C>
       6.01(e), proviso         event (first time it appears)    extent
       7.02                     respect                          respective
       7.06 (second sentence)   without                          within
       8.05                     Vtermination                     termination
</TABLE>





                                     -3-
<PAGE>   4

     17. Conditions Precedent. The foregoing shall not become effective until
all of the following conditions have been satisfied: (i) Agent shall have
received, in sufficient copies for each Bank, a copy of this amendment executed
by the Company together with Officers' Certificates dated the date hereof
certifying inter alia, (A) true and correct copies of resolutions adopted by
the Board of Directors or Executive Committee, as appropriate, of the Company
authorizing the Company to borrow and effect other transactions pursuant to the
Credit Agreement as amended hereby, (B) the incumbency and specimen signatures
of the Persons executing any documents on behalf of the Company, (C) the truth
as of the date first written above of the representations and warranties made
by the Company in the Credit Agreement, as amended hereby, and (D) the absence
of the occurrence and continuance of any Default or Event of Default; and (ii)
Existence and Good Standing Certificates of the Company, from the Secretary of
State and the Comptroller of Public Accounts of Texas.

     18. Ratifications. Except as herein specifically amended and modified, (a)
the Credit Agreement is unchanged and continues in full force and effect, and
(b) the Company hereby confirms and ratifies the Credit Agreement's existence
and each and every term, condition, and covenant therein contained, to the same
extent and as though the same were set out herein in full.

     19. Representations and Warranties. The Company hereby represents and
warrants to Banks, Agent, Funds Administrator, and Auction Administration Agent
that (a) this amendment and the Loan Papers to be delivered hereunder have been
duly executed and delivered by the Company, (b) no action of, or filing with,
any Tribunal is required to authorize, or is otherwise required in connection
with, the execution, delivery, and performance by the Company of this amendment
and the Loan Papers to be delivered hereunder, (c) this amendment and the Loan
Papers to be delivered hereunder are valid and binding upon the Company and are
enforceable against the Company in accordance with their respective terms,
except as limited by the Bankruptcy Code of the United States of America and
all other similar Laws affecting the rights of creditors generally, (d) the
execution, delivery and performance by the Company of this amendment and the
Loan Papers to be delivered hereunder do not require the consent of any other
Person and do not and will not constitute a violation of any laws, agreement,
or understanding to which the Company is a party or by which the Company is
bound, (e) the representations and warranties contained in the Credit
Agreement, as amended hereby, and any other Loan Paper are true and correct in
all material respects on and as of the date of execution hereof as though made
as of the date of execution hereof, and (f) as of the date of this amendment,
no Default or Event of Default has occurred and is continuing.

     20. References. All references in the Loan Papers to the Credit Agreement
shall refer to the Credit Agreement as amended by this amendment, and, because
this amendment is a "Loan Paper" referred to in the Credit Agreement, then the
provisions relating to Loan Papers set forth in the Credit Agreement are
incorporated herein by reference, the same as if set forth herein verbatim.

     21. Counterparts. This amendment may be executed in a number of identical
counterparts, each of which shall be deemed an original. In making proof of
this instrument,





                                     -4-
<PAGE>   5



it shall not be necessary for any party to account for all counterparts, and it
shall be sufficient for any party to produce but one such counterpart.

     22. Parties Bound. This amendment shall be binding upon and shall inure to
the benefit of the Company, Agent, and each Bank, and, subject to Section 8.11
of the Credit Agreement, their respective successors and assigns.

     23. ENTIRETY. THIS AMENDMENT, THE CREDIT AGREEMENT AS AMENDED HEREBY, AND
THE OTHER LOAN PAPERS REPRESENT THE FINAL CREDIT AGREEMENT BETWEEN THE PARTIES
FOR THE TRANSACTIONS THEREIN, AND MAY NOT BE CONTRADICTED BY EVIDENCE OF PRIOR,
CONTEMPORANEOUS, OR SUBSEQUENT ORAL AGREEMENTS BY THE PARTIES. THERE ARE NO
UNWRITTEN ORAL AGREEMENTS BETWEEN THE PARTIES.





                                     -5-
<PAGE>   6



              EXECUTED as of the date and year first stated above.

                                        SOUTHWEST AIRLINES CO.


                                        By: /s/ JOHN D. OWEN                    
                                            ------------------------------------
                                                John D. Owen, Treasurer

$70,000,000                             TEXAS COMMERCE BANK
                                        NATIONAL ASSOCIATION, individually, as
                                        Agent and as Funds Administrator


                                        By: /s/ MARK J. DENTON                  
                                           -------------------------------------
                                           Mark J. Denton, Senior Vice President

                                        CHEMICAL BANK, as Auction
                                        Administration Agent


                                        By: /s/ JANET BELDIN                    
                                           -------------------------------------
                                           Janet Beldin, Vice President

$45,000,000                             NATIONSBANK OF TEXAS, N.A.


                                        By: /s/ DONALD L. HARRISON, Jr.         
                                           -------------------------------------
                                           Donald L. Harrison, Jr.,
                                           Senior Vice President


$40,000,000                             BANK OF AMERICA NATIONAL TRUST AND
                                        SAVINGS ASSOCIATION


                                        By: /s/ PATRICK P. HORAN                
                                           -------------------------------------
                                           Patrick P. Horan,
                                           Senior Vice President






                                     -6-
<PAGE>   7



<TABLE>
<S>                                     <C>
$40,000,000                             BANK ONE, TEXAS, N.A.


                                        By: /s/ GINA NORRIS                     
                                           -------------------------------------
                                           Gina Norris, Vice President


$30,000,000                             FIRST INTERSTATE BANK OF TEXAS, N.A.


                                        By: /s/ CONNOR J. DUFFEY                
                                           -------------------------------------
                                           Connor J. Duffey, Vice President


$25,000,000                             THE FIRST NATIONAL BANK OF CHICAGO


                                        By: /s/ DAVID DIXON                     
                                           -------------------------------------
                                           David Dixon, Vice President


$25,000,000                             THE BOATMEN'S NATIONAL BANK
                                        OF ST. LOUIS


                                        By: /s/ DAVID E. WILSDORF               
                                           -------------------------------------
                                           David E. Wilsdorf, Vice President


$25,000,000                             FIRST SECURITY BANK OF UTAH, N.A.


                                        By: /s/ JEFFREY J. JENSEN               
                                           -------------------------------------
                                           Jeffrey J. Jensen, Vice President
</TABLE>




                                     -7-
<PAGE>   8



                                                         EXHIBIT 4.1 (Continued)


                   SIXTH AMENDMENT TO COMPETITIVE ADVANCE AND
                      REVOLVING CREDIT FACILITY AGREEMENT

     THIS SIXTH AMENDMENT is entered into as of May 18, 1995, among SOUTHWEST
AIRLINES CO., a Texas corporation (the "Company"), the banks listed on the
signature pages hereof ("Banks"), TEXAS COMMERCE BANK NATIONAL ASSOCIATION
(formerly TEXAS COMMERCE BANK, NATIONAL ASSOCIATION), a national banking
association, as agent for the Banks (in such capacity, "Agent"), TEXAS COMMERCE
BANK NATIONAL ASSOCIATION, a national banking association, as Funds
Administrator (in such capacity, "Funds Administrator"), and CHEMICAL BANK, a
New York banking corporation, as auction administration agent (in such
capacity, "Auction Administration Agent").

     The Company, Banks, Agent, Funds Administrator and Auction Administration
Agent have entered into the Competitive Advance and Revolving Credit Facility
Agreement dated as of December 14, 1990 (as previously amended as of April 4,
1991, December 14, 1991, December 14, 1992, December 14, 1993 and March 10,
1995 and as further renewed, extended, amended, or supplemented, the "Credit
Agreement"). The Company has requested certain amendments to the Credit
Agreement to increase the Total Commitment, to increase the Commitment of
certain Banks and to add ABN AMRO Bank N.V. and National Westminster Plc as
Banks, with Commitments of $50,000,000 and $25,000,000, respectively.

     NOW, THEREFORE, in consideration of the premises and other valuable
consideration, the receipt and adequacy of which are hereby acknowledged, the
Company, Banks, Agent, Funds Administrator and Auction Administration Agent
agree as follows:

     24. Unless otherwise specified herein, terms defined in the Credit
Agreement have the same meaning when used herein and all references to
"Sections" and "Schedules" are references to sections and schedules of or to
the Credit Agreement.

     25. Wherever in the Credit Agreement and Exhibits thereto "$300,000,000"
appears, it is hereby amended to be "$460,000,000," and wherever "Three Hundred
Million" appears, it is hereby amended to be "Four Hundred Sixty Million."

     26. Schedule I is amended to add the following information with respect to
ANB AMRO Bank N.V. and National Westminster Bank Plc:



                                     -8-

<PAGE>   9


<TABLE>
<CAPTION>

========================================================================================================
Name                            Lending Office                            Notice Information
- --------------------------------------------------------------------------------------------------------
<S>                             <C>                                      <C>
ABN AMRO BANK N.V.              ABN AMRO Bank N.V.                        ABN AMRO Bank N.V.          
                                135 S. LaSalle Street                     135 S. LaSalle Street
                                Suite 760                                 Suite 760
                                Chicago, Illinois 60674-9135              Chicago, Illinois 60674-9135
                                                                          Fax:  312/606-8428
                                                                          Phone:  312/904-2901
                                                                          Attn:  James A. Raff
- ---------------------------------------------------------------------------------------------------------
National Westminster Bank Plc   (Eurodollar)                              (Lending Issues)
                                National Westminster Bank Plc             National Westminster Bank Plc
                                Nassau Branch                             175 Water Street
                                175 Water Street                          New York, NY 10038
                                New York, NY  10038                       Fax: 212/602-4118  
                                                                          Phone: 212/602-4180 
                                                                          Attn:  Nadira Fauder
- -----------------------------------------------------------------------------------------------------------
                                (Domestic)                                (LC Issues)
                                National Westminster Bank Plc             National Westminster Bank Plc
                                175 Water Street                          175 Water Street
                                New York, NY  10038                       New York, NY  10038
                                                                          Fax:  212/602-4118
                                                                          Phone:  212/602-4165
                                                                          Attn:  Orlando Cortes
- ----------------------------------------------------------------------------------------------------------- 
                                                                          (Bankers Acceptances) 
                                                                          National Westminster Bank Plc 
                                                                          175 Water Street 
                                                                          New York, NY  10038 
                                                                          Fax: 212/602-4118 
                                                                          Phone: 212/602-4613
                                                                          Attn: Sattie Chinapen

===========================================================================================================
</TABLE>


          27.  Conditions Precedent. The foregoing shall not become effective
until all of the following conditions have been satisfied:

               (a) Each of ABN AMRO Bank N.V. and National Westminster Bank Plc
          and each of the other Banks with a changed Commitment shall have
          received a Committed Note, and each Bank shall have received a
          Competitive Note, properly dated and executed by the Company, payable
          to the order of such Banks, in the amount of its Commitment, in the
          case of the Committed Notes to ABN AMRO Bank N.V., National
          Westminster Bank Plc and each Bank with a changed Commitment, and in
          the amount of the Total Commitment in the case of the Competitive
          Notes to all Banks.

               (b) Agent shall have received, in sufficient copies for each
          Bank, (i) a copy of this amendment executed by the Company together
          with Officers' Certificates dated the date hereof certifying inter
          alia, (A) true and correct copies of resolutions adopted by the Board
          of Directors or Executive Committee, as appropriate, of the Company





                                     -9-
<PAGE>   10



          authorizing the Company to borrow and effect other transactions
          pursuant to the Credit Agreement as amended hereby, (B) the
          incumbency and specimen signatures of the Persons executing any
          documents on behalf of the Company, (C) the truth as of the date
          first written above of the representations and warranties made by the
          Company in the Credit Agreement, as amended hereby, and (D) the
          absence of the occurrence and continuance of any Default or Event of
          Default; (ii) Existence and Good Standing Certificates of the
          Company, from the Secretary of State and the Comptroller of Public
          Accounts of Texas; (iii) completed Administrative Questionnaires from
          ABN AMRO Bank N.V.  and National Westminster Bank Plc; (iv) the
          written opinion of counsel to the Company substantially in the form
          set out as Exhibit E-1 to the Credit Agreement, modified to include
          the transactions contemplated hereby; and (v) the written opinion of
          Winstead Sechrest & Minick P.C., counsel for the Agent and the Banks,
          substantially set out as Exhibit E-2 to the Credit Agreement,
          modified to include the transactions contemplated hereby.

          28.   Ratifications. Except as herein specifically amended and 
modified, (a) the Credit Agreement is unchanged and continues in full force and
effect, and (b) the Company hereby confirms and ratifies the Credit Agreement's
existence and each and every term, condition, and covenant therein contained,
to the same extent and as though the same were set out herein in full.

          29.   Representations and Warranties. The Company hereby represents 
and warrants to Banks, Agent, Funds Administrator, and Auction Administration
Agent that (a) this amendment and the Loan Papers to be delivered hereunder
have been duly executed and delivered by the Company, (b) no action of, or
filing with, any Tribunal is required to authorize, or is otherwise required in
connection with, the execution, delivery, and performance by the Company of
this amendment and the Loan Papers to be delivered hereunder, (c) this
amendment and the Loan Papers to be delivered hereunder are valid and binding
upon the Company and are enforceable against the Company in accordance with
their respective terms, except as limited by the Bankruptcy Code of the United
States of America and all other similar Laws affecting the rights of creditors
generally, (d) the execution, delivery and performance by the Company of this
amendment and the Loan Papers to be delivered hereunder do not require the
consent of any other Person and do not and will not constitute a violation of
any laws, agreement, or understanding to which the Company is a party or by
which the Company is bound, (e) the representations and warranties contained in
the Credit Agreement, as amended hereby, and any other Loan Paper are true and
correct in all material respects on and as of the date of execution hereof as
though made as of the date of execution hereof, and (f) as of the date of this
amendment, no Default or Event of Default has occurred and is continuing.

          30.   References. All references in the Loan Papers to the Credit 
Agreement shall refer to the Credit Agreement as amended by this amendment,
and, because this amendment is a "Loan Paper" referred to in the Credit
Agreement, then the provisions relating to Loan Papers set forth in the Credit
Agreement are incorporated herein by reference, the same as if set forth herein
verbatim.



                                     -10-
<PAGE>   11



          31.    Counterparts. This amendment may be executed in a number of 
identical counterparts, each of which shall be deemed an original. In making
proof of this instrument, it shall not be necessary for any party to account
for all counterparts, and it shall be sufficient for any party to produce but
one such counterpart.

          32.    Parties Bound. This amendment shall be binding upon and shall 
inure to the benefit of the Company, Agent, and each Bank, and, subject to
Section 8.11 of the Credit Agreement, their respective successors and assigns.

          33.    ENTIRETY. THIS AMENDMENT, THE CREDIT AGREEMENT AS AMENDED 
HEREBY, AND THE OTHER LOAN PAPERS REPRESENT THE FINAL CREDIT AGREEMENT BETWEEN
THE PARTIES FOR THE TRANSACTIONS THEREIN, AND MAY NOT BE CONTRADICTED BY
EVIDENCE OF PRIOR, CONTEMPORANEOUS, OR SUBSEQUENT ORAL AGREEMENTS BY THE
PARTIES. THERE ARE NO UNWRITTEN ORAL AGREEMENTS BETWEEN THE PARTIES.




                                     -11-
<PAGE>   12



              EXECUTED as of the date and year first stated above.

                                          SOUTHWEST AIRLINES CO.



                                          By: /s/ JOHN D. OWEN
                                             ----------------------------------
                                              John D. Owen
                                              Treasurer
COMMITMENT:

$80,000,000                               TEXAS COMMERCE BANK
                                          NATIONAL ASSOCIATION, individually, as
                                          Agent and as Funds Administrator



                                          By: /s/ SEAN F. OBRANSKI
                                             -----------------------------------
                                              Sean F. Obranski, Vice President

                                          CHEMICAL BANK, as Auction
                                          Administration Agent



                                          By :/s/ JANET BELDIN
                                             -----------------------------------
                                          Janet Beldin, Vice President

$75,000,000                               BANK OF AMERICA NATIONAL TRUST
                                          AND SAVINGS ASSOCIATION



                                          By: /s/ PATRICK P. HORAN
                                             -----------------------------------
                                             Patrick P. Horan, Senior 
                                             Vice President

$60,000,000                               NATIONSBANK OF TEXAS, N.A.



                                          By: /s/ LYNN H. MULLIN
                                             -----------------------------------
                                             Lynn H. Mullin,
                                             Senior Vice President



                                     -12-
<PAGE>   13




$50,000,000                               ABN AMRO BANK N.V.



                                          By: /s/ JOHN E. LEWIS
                                             -----------------------------------
                                             John E. Lewis,
                                             Senior Vice President

                                                       -and-



                                          By: /s/ JAMES A. RAFF
                                             -----------------------------------
                                             James A. Raff,
                                             Vice President

$40,000,000                               BANK ONE, TEXAS, N.A.



                                          By: /s/ GINA NORRIS
                                             -----------------------------------
                                          Gina Norris, Vice President

$40,000,000                               THE FIRST NATIONAL BANK OF CHICAGO



                                          By :/s/ DAVID DIXON
                                             -----------------------------------
                                             David Dixon, Vice President

$35,000,000                               FIRST INTERSTATE BANK OF TEXAS, N.A.



                                          By: /s/ CONNOR J. DUFFEY
                                             -----------------------------------
                                             Connor J. Duffey, Vice President

$30,000,000                               FIRST SECURITY BANK OF UTAH, N.A.



                                          By: /s/ JEFFREY J. JENSEN
                                             -----------------------------------
                                             Jeffrey J. Jensen, Vice President





                                     -13-
<PAGE>   14


$25,000,000                               THE BOATMEN'S NATIONAL BANK
                                          OF ST. LOUIS



                                           By: /s/ DAVID E. WILSDORF
                                              ----------------------------------
                                               David E. Wilsdorf, Vice President
$25,000,000                                NATIONAL WESTMINSTER BANK PLC



                                           By: /s/ ROBERT BUCK
                                              ----------------------------------
                                               Robert Buck,
                                               Assistant Director-Aerospace





                                     -14-

<PAGE>   1
                                                                    EXHIBIT 10.2



                         Supplemental Agreement No. 20

                                       to

                          Purchase Agreement No. 1405

                                    between

                               The Boeing Company

                                      and

                             SOUTHWEST AIRLINES CO.

                     Relating to Boeing Model 737 Aircraft


            THIS SUPPLEMENTAL AGREEMENT, entered into as of the 29th day of
September 1995, by and between THE BOEING COMPANY, a Delaware corporation
(hereinafter called Boeing), and SOUTHWEST AIRLINES CO., a Texas corporation
with its principal office in the City of Dallas, State of Texas, (hereinafter
called Buyer);


                              W I T N E S S E T H:


            WHEREAS, the parties hereto entered into that certain Purchase
Agreement No. 1405, dated July 23, 1987, relating to the purchase and sale of
certain Boeing Model 737 aircraft (the "Aircraft"), which agreement, as
amended, together with all exhibits and specifications attached thereto and
made a part thereof, is hereinafter called the "Purchase Agreement;" and

            WHEREAS, Buyer has agreed to excercise the option to purchase three
(3) additional Option Aircraft delivering in April 1997 offered pursuant to
Letter Agreement No. 1405-6R3;

            NOW THEREFORE, in consideration of the mutual covenants herein
contained, the parties hereto agree as follows:

            1.          Article 1, entitled "Subject Matter of Sale" is deleted
in its entirety and replaced by the following new Article 1:

ARTICLE 1.  Subject Matter of Sale.

                        Subject to the provisions of this Agreement, Boeing
shall sell and deliver to Buyer, and Buyer shall purchase from Boeing eighteen
(18) Boeing Model 737-5H4 aircraft (hereinafter sometimes referred to as the
"Block A and Block B" Aircraft) to be manufactured by Boeing in accordance with
Boeing Detail Specification D6-38500-3 (which includes CFM International, Inc.
CFM56-3-B1 engines), dated July 23, 1987 (as described in Exhibit A attached to
the Purchase Agreement), twenty-three (23) Boeing Model 737-3H4 Aircraft
(hereinafter sometimes referred to as the Block C-1 and Block D-1 Substitute
Aircraft) to be manufactured by Boeing in accordance with Boeing Detail
Specification D6-76300-2 Rev. T (which includes CFM International, Inc.






P.A. No. 1405                        S20-1

<PAGE>   2
CFM56-3-B1 engines), dated September 19, 1989 (as described in Exhibit A-1
attached to the Purchase Agreement), seven (7) Boeing Model 737-5H4 aircraft
(hereinafter sometimes referred to as the "Block C Aircraft) to be manufactured
by Boeing in accordance with Boeing Detail Specification D6-38500-3 (which
includes CFM International, Inc. CFM56-3-B1 engines), dated June 7, 1989,
thirty-four (34) Model 737-3H4 aircraft (hereinafter referred to as the "Block
E Aircraft" to be manufactured by Boeing in accordance with Boeing Detail
Specification D6-76300-2 Rev. W (which includes CFM International, Inc.
CFM56-3-B1 engines) dated May 22, 1992, (as described in Exhibit A-2 attached
to the Purchase Agreement), three (3) Model 737-3H4 aircraft (hereinafter
referred to as the "Block F Aircraft") to be manufactured by Boeing in
accordance with Boeing Detail Specification D6-76300-2 Rev. X (which includes
CFM International, Inc.  CFM56-3-B1 engines) dated February 26, 1993, (as
described in Exhibit A-3 attached to the Purchase Agreement), twelve (12) Model
737-3H4 aircraft (hereinafter referred to as the "Block G Aircraft") to be
manufactured by Boeing in accordance with Boeing Detail Specification
D6-76300-2 Rev. Z (which includes CFM International, Inc. CFM56-3-B1 engines)
dated February 15, 1994 (as further described in Exhibit A-4 attached to the
Purchase Agreement), four (4) Model 737-3H4 aircraft (hereinafter referred to
as the "Block H Aircraft") to be manufactured by Boeing in accordance with
Boeing Detail Specification D6-76300-2 Rev. Z (which includes CFM
International, Inc. CFM56-3-B1 engines) dated February 15, 1994 (as further
described in Exhibit A-5 attached to the Purchase Agreement), five (5) Model
737-3H4 aircraft (hereinafter referred to as the "Block I Aircraft") to be
manufactured by Boeing in accordance with Boeing Detail Specification
D6-76300-2 Rev. AA (which includes CFM International, Inc. CFM56-3-B1 engines)
dated May 11, 1994 as further described in Exhibit A-6 attached to the Purchase
Agreement and three (3) Model 737-3H4 aircraft (hereinafter referred to as the
"Block J Aircraft") to be manufactured by Boeing in accordance with Boeing
Detail Specification D6-76300-2 Rev. AC (which includes CFM International,
Inc. CFM56-3-B1 engines) dated June 21, 1995 as further described in Exhibit
A-7 attached to the Purchase Agreement and as such Detail Specifications may be
modified from time to time in accordance with the terms and conditions of
Article 7 herein.  Such Detail Specifications as so modified are by this
reference incorporated in this Agreement and are hereinafter referred to as the
"Detail Specification." In connection with the sale and purchase of the
Aircraft, Boeing shall also deliver to Buyer such other things as may be
required by this Agreement including data, documents, training and services.
All Block A, Block B, Block C, Block C-1 Substitute, Block D-1 Substitute,
Block E, Block F, Block G, Block H, Block I and Block J Aircraft are referred
to individually and collectively as the "Aircraft" or "AIRCRAFT."

            2.          Article 2.1, entitled "Time of Delivery" is deleted in
its entirety and replaced by the following new Article 2.1 which adds the Block
J Aircraft:

                        2.1         Time of Delivery.  Each Aircraft shall be
delivered to Buyer assembled and ready for flight, and Buyer shall accept
delivery of such Aircraft, during the months set forth in the following
schedule or such earlier months as mutually agreed between Boeing and Buyer:

<TABLE>
<CAPTION>
            Month and Year
            of Delivery                                     Quantity of Aircraft
            --------------                                  --------------------
            <S>                                                     <C>  
                                          Block A
                                          -------

            February 1990                                           One   (1)
            March 1990                                              Two   (2)
            April 1990                                              Two   (2)
</TABLE>





P.A. No. 1405                        S20-2
<PAGE>   3
<TABLE>
<S>         <C>                                                     <C>
            May 1990                                                One   (1)
            August 1990                                             Two   (2)
            September 1990                                          Two   (2)
            May 1991                                                Two   (2)
            September 1991                                          One   (1)

                                        Block B
                                        -------

            February 1991                                           One   (1)
            May 1991                                                Two   (2)
            September 1991                                          Two   (2)

                                        Block C
                                        -------

            February 1992                                           Three (3)
            May 1992                                                Four  (4)

                                       Block C-1
                                  Substitute Aircraft
                                  -------------------

            June 1992                                               Two   (2)
            July 1992                                               One   (1)
            February 1993                                           Three (3)
            May 1993                                                Four  (4)
            August 1993                                             Two   (2)
            September 1993                                          One   (1)

                                       Block D-1
                                  Substitute Aircraft
                                  -------------------

            February 1994                                           Three  (3)
            May 1994                                                Four   (4)
            September 1994                                          Three  (3)

                                    Block F Aircraft
                                    ----------------

            July 1994                                               Two   (2)
            September 1994                                          One   (1)

                                    Block E Aircraft
                                    ----------------

            November 1994                                           Two   (2)
            March 1995                                              One   (1)
            April 1995                                              Two   (2)
            May 1995                                                Two   (2)
            September 1995                                          Two   (2)
            October 1995                                            Three (3)
            March 1996                                              Two   (2)
            April 1996                                              Three (3)
            May 1996                                                Two   (2)
            July 1996                                               Two   (2)
            August 1996                                             One   (1)
            September 1996                                          Two   (2)
            January 1997                                            Four  (4)
</TABLE>





P.A. No. 1405                        S20-3
<PAGE>   4
<TABLE>
<S>         <C>                                                     <C>
            June 1997                                               Four  (4)
            August 1997                                             Two   (2)

                                    Block G Aircraft
                                    ----------------

            July 1995                                               Two   (2)
            August 1995                                             Two   (2)
            September 1995                                          Two   (2)
            January 1996                                            Three (3)
            March 1996                                              One   (1)
            June 1996                                               Two   (2)

                                    Block H Aircraft
                                    ----------------

            February 1995                                           Four  (4)

                                    Block I Aircraft
                                    ----------------

            July 1995                                               One   (1)
            October 1995                                            Two   (2)
            November 1995                                           Two   (2)

                                    Block J Aircraft
                                    ----------------

            April 1997                                              Three (3)
</TABLE>

            3.          Article 3.1, entitled "Basic Price" is deleted in its
entirety and replaced by the following new Article 3.1 which adds the Basic
Price for the Block J Aircraft:

                        3.1         Basic Price.  The basic price of each
Aircraft shall be equal to the sum of (i) Twenty Million Five Hundred
Seventy-Three Thousand One Hundred Twenty-Six Dollars ($20,573,126) for the
Block A and Block B Aircraft, Twenty Million, Six Hundred Three Thousand, Seven
Hundred Twenty-Six Dollars ($20,603,726) for the Block C Aircraft, Twenty-Three
Million Seven Hundred Forty-One Thousand Eight Hundred Seventy-Six Dollars
($23,741,876) for the Block C-1 Substitute Aircraft, Twenty-Three Million,
Eight Hundred Eighty Thousand One Hundred Seventy-Six Dollars ($23,880,176) for
the Block D-1 Substitute Aircraft, Twenty-Nine Million Five Hundred
Seventy-Three Thousand One Hundred Seventy-Eight Dollars ($29,573,178) for the
Block E Aircraft, Thirty Million Three Hundred Three Thousand Six Hundred
Seventy-Eight Dollars ($30,303,678) for the Block F Aircraft, Thirty-One
Million Six Hundred Twenty-Eight Thousand Eight Hundred Sixty-Six Dollars
($31,628,866) for the Block G Aircraft, Thirty-One Million Six Hundred Twenty
One Thousand Seven Hundred Sixty Six Dollars ($31,621,766) for the Block H
Aircraft, Thirty-Two Million Sixty-Five Thousand Four Hundred Fifty Eight
Dollars ($32,065,458) for the Block I Aircraft and Thirty-Two Million One
Hundred Sixteen Thousand Eight Hundred Fifty Eight Dollars ($32,116,858) for
the Block J Aircraft and (ii) such price adjustments applicable to such
Aircraft as may be made pursuant to the provisions of this Agreement, including
Article 7 (changes to Detail Specification) and Article 8 (FAA Requirements) or
other written agreements executed by Buyer and Boeing.

            5.          Article 5.1, entitled "Advance Payment Base Price" is
revised by deleting the Advance Payment Base Price for the January, June and
August 1997 Block E





P.A. No. 1405
                                     S20-4
<PAGE>   5
Aircraft and inserting new Advance Payment Base Prices due to escalation
sharing and inserting after the Block I Aircraft the following:

                                Block E Aircraft
                                ----------------

<TABLE>
            <S>                                             <C>
            "January 1997                                   $35,630,000
            June 1997                                       $35,687,000
            August 1997                                     $35,771,000"
</TABLE>

                                Block J Aircraft
                                ----------------

<TABLE>
<CAPTION>
            Month and Year of                        Advance Payment Base
            Scheduled Delivery                       Price per Aircraft  
            ------------------                       --------------------
            <S>                                      <C>
            April 1997                               $35,662,000
</TABLE>

            6.  Article 5.2, entitled "Advance Payment Schedule" is revised by 
inserting after the Block I Aircraft the following schedule for the Block J 
Aircraft:

<TABLE>
<CAPTION>
                                                             Amount Due per Aircraft
                                                                 Block J Aircraft
Due Date of Payment                                                 April 1997
- -------------------                                                 ----------
<S>                                                                  <C>
Deposit                                                              $200,000

Upon execution of                                                      10% (less the
Supplemental                                                                 Deposit)
Agreement No. 20

18 months prior to the                                                  5%
first day of the scheduled
delivery month of the
Aircraft

12 months prior to the first                                            5%
day of the scheduled delivery
month of the Aircraft

9 months prior to the first                                             5%
day of the scheduled delivery
month of the Aircraft

6 months prior to the first                                             5%
day of the scheduled delivery
month of the Aircraft
                                                                                            
                                                            --------------------------------
                          Total                                        30%
</TABLE>

            7.  The title and the first sentence in Article 7.3.2 is revised 
to be written as "The Block E, F, G, H, I and J Aircraft."

            8.  A new Exhibit A-7, entitled "Aircraft Configuration - the 
Block J Aircraft," attached hereto, is incorporated into the Purchase 
Agreement by this reference.





P.A. No. 1405                        S20-5
<PAGE>   6
            9.   Exhibit D-4, entitled "Airframe and Engine Price Adjustment - 
the Block I Aircraft" is revised in the title of page one by inserting the 
words "and J".

            10.  Letter Agreement No. 1405-6R3 entitled "Option Aircraft" is 
revised in Article 1, paragraph 1.1, Article 2, paragraph 2.2, Attachment A, 
Article 2, paragraph 2.1 and Attachment B, paragraph b, page 2 by deleting 
reference to the three (3) April 1997 Option Aircraft.

            11.  *

            12.  *

            13.  Boeing and Buyer agree that the provisions of Letter 
Agreement No. 6-1162-STE-1363, dated July 23, 1987, shall apply to paragraph 11
and 12 of this Supplemental Agreement.

            The Purchase Agreement shall be deemed to be supplemented to the
extent herein provided and as so supplemented shall continue in full force and
effect.

            EXECUTED IN DUPLICATE as of the day and year first above written.


THE BOEING COMPANY                      SOUTHWEST AIRLINES CO.
                                        
                                        
                                        
By:     /s/ R. Leo Lyons                By:      /s/ Gary A. Barron        
    ----------------------------           --------------------------------
                                        
                                        
Its:  Attorney-In-Fact                  Its:  Executive Vice President and    
     ---------------------------            -------------------------------
                                              Chief Operating Officer      
                                            -------------------------------


*  Pursuant to 17 CFR 240.24b-2, confidential information has been omitted and
   has been filed separately with the Securities and Exchange Commission.





P.A. No. 1405                        S20-6
<PAGE>   7




                                  EXHIBIT A-7

                                       to

                          PURCHASE AGREEMENT NO. 1405

                           Dated _________________

                                    between

                               THE BOEING COMPANY

                                      and

                             SOUTHWEST AIRLINES CO.

                             AIRCRAFT CONFIGURATION

                                BLOCK J AIRCRAFT

                                 MODEL 737-3H4



            The Detail Specification, referred to in Article 1 of the Purchase
Agreement, is Boeing Detail Specification D6-76300-2 Revision AC dated June 21,
1995 as amended to incorporate the applicable specification language to reflect
the effect of the changes set forth in the Master Changes listed below,
including the effects of such changes on Manufacturer's Empty Weight (MEW) and
Operating Empty Weight (OEW).  As soon as practicable, Boeing will furnish to
Buyer copies of the Detail Specification, which copies will reflect the effect
of such changes.  The Aircraft Basic Price reflects and includes all effects of
such changes of price.





                                     A-7-1
<PAGE>   8
Exhibit A-7
Page 2



2002MP3024                                            N/C
     INSTALL PROGRAM PIN BURNDY BLOCKS
     NON EFIS AIRCRAFT





                                     A-7-2
<PAGE>   9




                         Supplemental Agreement No. 21

                                       to

                          Purchase Agreement No. 1405

                                    between

                               The Boeing Company

                                      and

                             SOUTHWEST AIRLINES CO.

                     Relating to Boeing Model 737 Aircraft


            THIS SUPPLEMENTAL AGREEMENT, entered into as of the 19th day of
December, 1995, by and between THE BOEING COMPANY, a Delaware corporation
(hereinafter called Boeing), and SOUTHWEST AIRLINES CO., a Texas corporation
with its principal office in the City of Dallas, State of Texas, (hereinafter
called Buyer);


                              W I T N E S S E T H:


            WHEREAS, the parties hereto entered into that certain Purchase
Agreement No. 1405, dated July 23, 1987, relating to the purchase and sale of
certain Boeing Model 737 aircraft (the "Aircraft"), which agreement, as
amended, together with all exhibits and specifications attached thereto and
made a part thereof, is hereinafter called the "Purchase Agreement;" and

            WHEREAS, Buyer has agreed to exercise the option to purchase four
(4) additional Option Aircraft delivering in August 1997 (quantity 2) and
September 1997 (quantity 2) offered pursuant to Letter Agreement No. 1405-6R3;

            NOW THEREFORE, in consideration of the mutual covenants herein
contained, the parties hereto agree as follows:

            1.          Article 1, entitled "Subject Matter of Sale" is deleted
in its entirety and replaced by the following new Article 1:

ARTICLE 1.  Subject Matter of Sale.

                        ARTICLE 1.  Subject Matter of Sale.

                        Subject to the provisions of this Agreement, Boeing
shall sell and deliver to Buyer, and Buyer shall purchase from Boeing eighteen
(18) Boeing Model 737-5H4 aircraft (hereinafter sometimes referred to as the
"Block A and Block B" Aircraft) to be manufactured by Boeing in accordance with
Boeing Detail Specification D6-38500-3 (which includes CFM International, Inc.
CFM56-3-B1 engines), dated July 23, 1987 (as described in Exhibit A attached to
the Purchase Agreement), twenty-three (23) Boeing Model 737-3H4 Aircraft
(hereinafter sometimes referred to as the Block C-1





P.A. No. 1405
                                    S21-1
<PAGE>   10
and Block D-1 Substitute Aircraft) to be manufactured by Boeing in accordance
with Boeing Detail Specification D6-76300-2 Rev. T (which includes CFM
International, Inc. CFM56-3-B1 engines), dated September 19, 1989 (as described
in Exhibit A-1 attached to the Purchase Agreement), seven (7) Boeing Model
737-5H4 aircraft (hereinafter sometimes referred to as the "Block C Aircraft)
to be manufactured by Boeing in accordance with Boeing Detail Specification
D6-38500-3 (which includes CFM International, Inc. CFM56-3-B1 engines), dated
June 7, 1989, thirty-four (34) Model 737-3H4 aircraft (hereinafter referred to
as the "Block E Aircraft" to be manufactured by Boeing in accordance with
Boeing Detail Specification D6-76300-2 Rev. W (which includes CFM
International, Inc. CFM56-3-B1 engines) dated May 22, 1992, (as described in
Exhibit A-2 attached to the Purchase Agreement), three (3) Model 737-3H4
aircraft (hereinafter referred to as the "Block F Aircraft") to be manufactured
by Boeing in accordance with Boeing Detail Specification D6-76300-2 Rev. X
(which includes CFM International, Inc. CFM56-3-B1 engines) dated February 26,
1993, (as described in Exhibit A-3 attached to the Purchase Agreement), twelve
(12) Model 737-3H4 aircraft (hereinafter referred to as the "Block G Aircraft")
to be manufactured by Boeing in accordance with Boeing Detail Specification
D6-76300-2 Rev. Z (which includes CFM International, Inc. CFM56-3-B1 engines)
dated February 15, 1994 (as further described in Exhibit A-4 attached to the
Purchase Agreement), four (4) Model 737-3H4 aircraft (hereinafter referred to
as the "Block H Aircraft") to be manufactured by Boeing in accordance with
Boeing Detail Specification D6-76300-2 Rev. Z (which includes CFM
International, Inc. CFM56-3-B1 engines) dated February 15, 1994 (as further
described in Exhibit A-5 attached to the Purchase Agreement), five (5) Model
737-3H4 aircraft (hereinafter referred to as the "Block I Aircraft") to be
manufactured by Boeing in accordance with Boeing Detail Specification
D6-76300-2 Rev. AA (which includes CFM International, Inc. CFM56-3-B1 engines)
dated May 11, 1994 as further described in Exhibit A-6 attached to the Purchase
Agreement, three (3) Model 737-3H4 aircraft (hereinafter referred to as the
"Block J Aircraft") to be manufactured by Boeing in accordance with Boeing
Detail Specification D6-76300-2 Rev. AC (which includes CFM International, Inc.
CFM56- 3-B1 engines) dated July 21, 1995 as further described in Exhibit A-7
attached to the Purchase Agreement and four (4) Model 737-3H4 aircraft
(hereinafter referred to as the "Block K Aircraft") to be manufactured by
Boeing in accordance with Boeing Detail Specification D6-76300-2 Rev. AC (which
includes CFM International, Inc. CFM56-3-B1 engines) dated July 21, 1995 as
further described in Exhibit A-8 attached to the Purchase Agreement and as such
Detail Specifications may be modified from time to time in accordance with the
terms and conditions of Article 7 herein.  Such Detail Specifications as so
modified are by this reference incorporated in this Agreement and are
hereinafter referred to as the "Detail Specification." In connection with the
sale and purchase of the Aircraft, Boeing shall also deliver to Buyer such
other things as may be required by this Agreement including data, documents,
training and services.  All Block A, Block B, Block C, Block C-1 Substitute,
Block D-1 Substitute, Block E, Block F, Block G, Block H, Block I, Block J, and
Block K Aircraft are referred to individually and collectively as the
"Aircraft" or "AIRCRAFT."

            2.          Article 2.1, entitled "Time of Delivery" is deleted in
its entirety and replaced by the following new Article 2.1 which adds the Block
K Aircraft:

                        2.1         Time of Delivery.  Each Aircraft shall be
delivered to Buyer assembled and ready for flight, and Buyer shall accept
delivery of such Aircraft, during the months set forth in the following
schedule or such earlier months as mutually agreed between Boeing and Buyer:





P.A. No. 1405
                                     S21-2
<PAGE>   11
<TABLE>
<CAPTION>
            Month and Year
            of Delivery                                     Quantity of Aircraft
            --------------                                  --------------------
            <S>                   <C>                             <C>
                                       Block A
                                       -------

            February 1990                                           One  (1)
            March 1990                                              Two  (2)
            April 1990                                              Two  (2)
            May 1990                                                One  (1)
            August 1990                                             Two  (2)
            September 1990                                          Two  (2)
            May 1991                                                Two  (2)
            September 1991                                          One  (1)

                                       Block B
                                       -------

            February 1991                                           One  (1)
            May 1991                                                Two  (2)
            September 1991                                          Two  (2)
                                       Block C
                                       -------

            February 1992                                           Three(3)
            May 1992                                                Four (4)
                                                                         
                                       Block C-1
                                  Substitute Aircraft
                                  -------------------

            June 1992                                               Two  (2)
            July 1992                                               One  (1)
            February 1993                                           Three(3)
            May 1993                                                Four (4)
            August 1993                                             Two  (2)
            September 1993                                          One  (1)

                                       Block D-1
                                  Substitute Aircraft
                                  -------------------

            February 1994                                           Three(3)
            May 1994                                                Four (4)
            September 1994                                          Three(3)

                                   Block F Aircraft
                                   ----------------

            July 1994                                               Two  (2)
            September 1994                                          One  (1)

                                   Block E Aircraft
                                   ----------------

            November 1994                                           Two  (2)
            March 1995                                              One  (1)
            April 1995                                              Two  (2)
            May 1995                                                Two  (2)
            September 1995                                          Two  (2)
</TABLE>





P.A. No. 1405
                                     S21-3
<PAGE>   12
<TABLE>
<S>                                 <C>                      <C>
            October 1995                                            Three(3)
            March 1996                                              Two  (2)
            April 1996                                              Three(3)
            May 1996                                                Two  (2)
            July 1996                                               Two  (2)
            August 1996                                             One  (1)
            September 1996                                          Two  (2)
            January 1997                                            Four (4)
            June 1997                                               Four (4)
            August 1997                                             Two  (2)

                                   Block G Aircraft
                                   ----------------

            July 1995                                               Two  (2)
            August 1995                                             Two  (2)
            September 1995                                          Two  (2)
            January 1996                                            Three(3)
            March 1996                                              One  (1)
            June 1996                                               Two  (2)

                                    Block H Aircraft
                                    ----------------

            February 1995                                           Four (4)

                                    Block I Aircraft
                                    ----------------

            July 1995                                               One  (1)
            October 1995                                            Two  (2)
            November 1995                                           Two  (2)

                                    Block J Aircraft
                                    ----------------

            April 1997                                              Three(3)

                                    Block K Aircraft
                                    ----------------

            August 1997                                             Two  (2)
            September 1997                                          Two  (2)
</TABLE>

            3.          Article 3.1, entitled "Basic Price" is deleted in its
entirety and replaced by the following new Article 3.1 which adds the Basic
Price for the Block K Aircraft:

                        3.1         Basic Price.  The basic price of each
Aircraft shall be equal to the sum of (i) Twenty Million Five Hundred
Seventy-Three Thousand One Hundred Twenty-Six Dollars ($20,573,126) for the
Block A and Block B Aircraft, Twenty Million, Six Hundred Three Thousand, Seven
Hundred Twenty-Six Dollars ($20,603,726) for the Block C Aircraft, Twenty-Three
Million Seven Hundred Forty-One Thousand Eight Hundred Seventy-Six Dollars
($23,741,876) for the Block C-1 Substitute Aircraft, Twenty-Three Million,
Eight Hundred Eighty Thousand One Hundred Seventy-Six Dollars ($23,880,176) for
the Block D-1 Substitute Aircraft, Twenty-Nine Million Five Hundred
Seventy-Three Thousand One Hundred Seventy-Eight Dollars ($29,573,178) for the
Block E Aircraft, Thirty Million Three Hundred Three Thousand Six Hundred
Seventy-Eight Dollars ($30,303,678) for the Block F Aircraft, Thirty-One
Million Six





P.A. No. 1405
                                     S21-4
<PAGE>   13
Hundred Twenty-Eight Thousand Eight Hundred Sixty-Six Dollars ($31,628,866) for
the Block G Aircraft, Thirty-One Million Six Hundred Twenty One Thousand Seven
Hundred Sixty Six Dollars ($31,621,766) for the Block H Aircraft, Thirty-Two
Million Sixty-Five Thousand Four Hundred Fifty Eight Dollars ($32,065,458) for
the Block I Aircraft and Thirty-Two Million One Hundred Sixteen Thousand Eight
Hundred Fifty Eight Dollars ($32,116,858) for the Block J Aircraft and
Thirty-Two Million One Hundred Seventy Nine Thousand Seven Hundred Fifty Eight
Dollars ($32,179,758) for the Block K Aircraft and (ii) such price adjustments
applicable to such Aircraft as may be made pursuant to the provisions of this
Agreement, including Article 7 (changes to Detail Specification) and Article 8
(FAA Requirements) or other written agreements executed by Buyer and Boeing.

            4.          Article 5.1, entitled "Advance Payment Base Price" is
revised by inserting after the Block J Aircraft the following schedule for the
Block K Aircraft:

<TABLE>
<CAPTION>
                                    Block K Aircraft
                                    ----------------
            <S>                                             <C>
            "August 1997                                    $35,865,000
            September 1997                                  $35,913,000
</TABLE>

            5.          Article 5.2, entitled "Advance Payment Schedule" is
revised by inserting after the Block J Aircraft the following schedule for the
Block K Aircraft:

<TABLE>
<CAPTION>
                                               Amt Due per A/C               Amt due per A/C 
                                               Block K A/C                   Block K A/C
Due Date of Payment                            August 1997                   September 1997
- -------------------                            -----------                   --------------
<S>                                            <C>                               <C>
Deposit                                         $130,000                         $200,000

Upon execution of                                 10% (less                         10% (less
Supplemental                                   the Deposit)                      the Deposit)
Agreement No. 21

18 months prior to the                              5%                                5%
first day of the scheduled
delivery month of the
Aircraft

12 months prior to the                              5%                                5%
first day of the scheduled
delivery month of the Aircraft

9 months prior to the                               5%                                5%
first day of the scheduled
delivery month of the Aircraft

6 months prior to the                               5%                                5%
first day of the scheduled
delivery month of the Aircraft
                                                                                                                 
                                                   ------------------------------------
                          Total                    30%                               30%
</TABLE>

            6.          The title and the first sentence in Article 7.3.2 is
revised to be written as "The Block E, F, G, H, I, J and K Aircraft."





P.A. No. 1405
                                     S21-5
<PAGE>   14
            7.          A new Exhibit A-8, entitled "Aircraft Configuration -
the Block K Aircraft," attached hereto, is incorporated into the Purchase
Agreement by this reference.

            8.          Exhibit D-4, entitled "Airframe and Engine Price
Adjustment - the Block I and J Aircraft" is revised in the title of page one by
deleting the word "and" between the letters I and K and inserting "and K" after
the letter J and before the word Aircraft.

            9.          Letter Agreement No. 1405-6R3 entitled "Option
Aircraft" is revised in Article 1, paragraph 1.1, Article 2, paragraph 2.2,
Attachment A, Article 2, paragraph 2.1 and Attachment B, paragraph b, page 2 by
deleting reference to the two (2) August 1997 and two (2) September 1997 Option
Aircraft.

            10.         *

            11.         *

            12.         Boeing and Buyer agree that the provisions of Letter
Agreement No. 6-1162-STE-1363, dated July 23, 1987, shall apply to paragraph 11
and 12 of this Supplemental Agreement.

            13.         It is recognized by the parties that a strike was
commenced against Boeing on October 6, 1995 by its principal employee union.
It is not presently known whether such strike will have any effect upon
Boeing's proposed undertaking set forth herein.  The parties agree that any
delay in the performance of any obligation of Boeing under this supplemental
agreement, as a result of such strike, will be deemed an excusable delay and
subject to the excusable delay provisions of the Purchase Agreement.

            The Purchase Agreement shall be deemed to be supplemented to the
extent herein provided and as so supplemented shall continue in full force and
effect.

            EXECUTED IN DUPLICATE as of the day and year first above written.


THE BOEING COMPANY                      SOUTHWEST AIRLINES CO.


By:  /s/ R. Leo Lyons                   By:  /s/ Gary A. Barron
    -------------------------------          ----------------------------------

Its: Attorney-In-Fact                   Its: Executive Vice President and Chief
    -------------------------------          ---------------------------------- 
                                             Operating Officer
                                             ---------------------------------- 




*           Pursuant to 17 CFR 240.24b-2, confidential information has been
            omitted and has been filed separately with the Securities and
            Exchange Commission.





P.A. No. 1405
                                     S21-6
<PAGE>   15




                                  EXHIBIT A-8

                                       to

                          PURCHASE AGREEMENT NO. 1405

                            Dated________________

                                    between

                               THE BOEING COMPANY

                                      and

                             SOUTHWEST AIRLINES CO.

                             AIRCRAFT CONFIGURATION

                                BLOCK K AIRCRAFT

                                 MODEL 737-3H4


            The Detail Specification, referred to in Article 1 of the Purchase
Agreement, is Boeing Detail Specification D6-76300-2 Revision AC dated July 21,
1995 as amended to incorporate the applicable specification language to reflect
the effect of the changes set forth in the Master Changes listed below,
including the effects of such changes on Manufacturer's Empty Weight (MEW) and
Operating Empty Weight (OEW).  As soon as practicable, Boeing will furnish to
Buyer copies of the Detail Specification, which copies will reflect the effect
of such changes.  The Aircraft Basic Price reflects and includes all effects of
such changes of price.





                                     A-8-1
<PAGE>   16




1110MP3333                                             N/C
EXTERIOR DECORATIVE PAINT REVISION
WHITE IN LIEU OF EXISTING

2002MP3024                                             N/C
INSTALL PROGRAM PIN BURNDY BLOCKS
NON EFIS AIRCRAFT

2524MP3465                                             N/C
INSTALLATION OF TEDLAR/NOMEX PANEL
IN LIEU OF LEATHER

3040MP3047                                             N/C
INSTALL A 4 UNIT WINDOW HEAT CONTROL SYSTEM
OLIN 231-2 IN LIEU OF 1231-1

3040MP3052                                          ($1,800)
INSTALL A BFE WINDOW HEAT CONTROL SYSTEM
WHICH CONTAINS BITE-OLIN 231-3 IN LIEU OF
231-2

3435MP3032                                           $1,400
HUD INSTALLATION REVISION - INCORPORATION
OF INTENT OF FLIGHT DYNAMICS SERVICE BULLETIN

3446MP3147                                              N/C
GPWC REVISION - BANK ANGLE CALLOUT DELETE





                                     A-8-2

<PAGE>   1
                                                                Exhibit 10.8


                              EMPLOYMENT CONTRACT


         THIS EMPLOYMENT CONTRACT (hereinafter referred to as this
"Agreement"), dated as of January 1, 1996, by and between HERBERT D. KELLEHER
(hereinafter referred to as the "Employee"), a resident of Dallas, Texas, and
SOUTHWEST AIRLINES CO. (hereinafter referred to as "Southwest", which term
shall include its subsidiary companies where the context so admits), a Texas
corporation,

                              W I T N E S S E T H:

         WHEREAS the Employee has served as permanent President and Chief
Executive Officer of Southwest since February 1, 1982, initially pursuant to an
Employment Contract dated as of February 1, 1982, later pursuant to Employment
Contracts dated as of January 1, 1985, as amended, and January 1, 1988, and
most recently pursuant to an Employment Contract dated as of January 1, 1992
(collectively, the "Old Contracts"); and

         WHEREAS the Employee and Southwest desire to enter into a successor
agreement for the continuing full-time services of the Employee;

         NOW, THEREFORE, for and in consideration of the premises and the
mutual covenants and promises contained herein, Southwest and the Employee
agree as follows:

                       I. POSITIONS, DUTIES AND AUTHORITY

A.       POSITIONS.  The Employee shall serve as President and Chief Executive
         Officer of Southwest, and the Employee shall serve in such senior
         executive positions with MW SW Corp., Southwest Jet Fuel Co., TranStar
         Airlines Corporation, Morris Air Corporation and Southwest Airlines
         Eurofinance N.V. as the Board of Directors of Southwest may from time
         to time request.  For so long as he shall be elected to the Board of
         Directors
<PAGE>   2
         of Southwest, the Employee shall serve thereon as Chairman without
         additional compensation hereunder.

B.       DUTIES.  The Employee's duties shall include, in addition to those
         enumerated in the bylaws of Southwest, management of the day-to-day
         operations of Southwest, planning of the future course of such
         operations and implementation of Southwest's current and long-range
         business policies and programs.  The Employee's duties may also
         include managing or handling other functions or segments of
         Southwest's business as may be directed from time to time by the Board
         of Directors of Southwest.

C.       AUTHORITY.  The Employee shall be vested with all authority reasonably
         necessary to carry out his duties and responsibilities as set forth in
         this Article I.

D.       NECESSARY SUPPORT AND ENVIRONMENT.  The Employee shall be provided
         with the secretarial and other support personnel (including a
         full-time administrative assistant) and general working environment
         (including a private, furnished office) reasonably necessary for him
         to carry out his duties and responsibilities as set forth in this
         Article I.

                          II.  EMPLOYEE'S OBLIGATIONS

A.       FULL TIME AND EFFORTS.  During the term of his employment hereunder,
         the Employee shall devote his full time and efforts to the business
         affairs of Southwest.  The Employee shall generally conform with all
         policies of Southwest as they apply to a person of his level of
         responsibilities.  The Employee will not, without the prior approval
         of the Board of Directors of Southwest, accept any other employment,
         or serve as an officer, consultant or partner of any business or other
         entity organized for profit (other than Southwest and any family
         enterprise), except in the capacity of an investor of money




                                     -2-
<PAGE>   3
         and so long as such monetary investment does not require any
         significant active involvement or otherwise adversely affect the
         conduct of the Employee's duties as set forth in this Agreement.  It
         is understood, however, that the Employee may act as executor of the
         estates of family members and he may serve as a director or trustee of
         any business or other entity not engaged in significant competition
         with Southwest, provided that such service does not adversely affect
         the conduct of the Employee's duties as set forth in this Agreement.

B.       NON-COMPETITION.  The Employee recognizes and understands that in
         performing the duties and responsibilities of his employment as
         outlined in this Agreement and pursuant to his employment at Southwest
         prior to the execution of this Agreement, the Employee has occupied
         and will occupy a position of trust and confidence, pursuant to which
         the Employee has developed and acquired and will develop and acquire
         experience and knowledge with respect to various aspects of the
         business of Southwest and the manner in which such business is
         conducted.  It is the expressed intent and agreement of the Employee
         and Southwest that such knowledge and experience shall be used in the
         furtherance of the business interests of Southwest and not in any
         manner which would be detrimental to such business interests of
         Southwest.  The Employee therefore agrees that, so long as the
         Employee is employed pursuant to this Agreement, unless he first
         secures the consent of the Board of Directors of Southwest, the
         Employee will not invest, engage or participate in any manner
         whatsoever, either personally or in any status or capacity (other than
         as a shareholder of less than one percent [1%] of the capital stock of
         a publicly owned corporation), in any business or other entity
         organized for profit engaged in significant competition with Southwest
         in the conduct of its air carrier





                                      -3-
<PAGE>   4
         operations anywhere in the United States.  Although the Employee and
         Southwest regard such restrictions as reasonable for the purpose of
         preserving Southwest and its proprietary rights, in the event that the
         provisions of this Paragraph II-B should ever be deemed to exceed the
         time or geographic limitations permitted by applicable laws, then such
         provisions shall be reformed to the maximum time or geographic
         limitations permitted by applicable laws.

                                   III. TERM

A.       This Agreement and the Employee's employment hereunder shall commence
         and become effective on and as of January 1, 1996.  The term of such
         employment shall expire on December 31, 2000, unless extended by
         consent of the parties hereto or earlier terminated pursuant to the
         provisions of Article V.

                          IV. EMPLOYEE'S COMPENSATION

A.       BASE SALARY.  The Employee's annual Base Salary for the years ending
         December 31, 1996, 1997, 1998 and 1999 shall be $395,000 and for the
         year ended December 31, 2000 shall be $450,000 or such greater amount
         as shall be determined by the Board of Directors of Southwest.  The
         Employee's Base Salary shall be payable to the Employee in equal
         semi-monthly installments and shall be subject to such payroll and
         withholding deductions as may be required by law.

B.       PERFORMANCE BONUS.  The Board of Directors of Southwest (or the
         Compensation Committee thereof) may grant a Performance Bonus to the
         Employee, in addition to his Base Salary, at such times and in such
         amounts as such Board (or Committee) may determine, not exceeding
         $172,000 per year for years prior to December 31, 1999 and not
         exceeding $196,000 for the year ended December 31, 2000.





                                      -4-
<PAGE>   5
C.       DEFERRED COMPENSATION.  In addition to the Base Salary provided for in
         Paragraph  IV-A above, and consistent with the Old Contracts,
         Southwest shall continue to set aside on its books, a special ledger
         Deferred Compensation Account (the "Account") for the Employee, and
         shall credit thereto Deferred Compensation determined as hereinafter
         provided.  (Southwest at its election may fund the payment of Deferred
         Compensation by setting aside and investing such funds as Southwest
         may from time to time determine.  Neither the establishment of the
         Account, the crediting of Deferred Compensation thereto, nor the
         setting aside of any funds shall be deemed to create a trust.  Legal
         and equitable title to any funds set aside shall remain in Southwest,
         and the Employee shall have no security or other interest in such
         funds.  Any funds so set aside or invested shall remain subject to the
         claims of the creditors of Southwest, present and future.)  For each
         full calendar year as the Employee shall remain in the employment of
         Southwest under this Agreement, Deferred Compensation shall accumulate
         in an amount equal to any contributions (including forfeitures but
         excluding any elective deferrals actually returned to the Employee)
         which would otherwise have been made by Southwest on behalf of the
         Employee to the Southwest Airlines Co. Profit Sharing Plan but which
         exceed maximum annual additions under such Plan on his behalf under
         federal tax law.  If such employment shall terminate prior to December
         31 in any year, then Deferred Compensation shall accumulate and be
         calculated through the close of the next preceding December 31.  The
         Deferred Compensation credited to the Account (including the Interest
         hereinafter provided as well as all amounts credited to the Account
         pursuant to the Old Contracts) shall be paid in cash to the Employee
         (or to the executors or administrators of his estate) at the rate of
         $60,000 per calendar year (subject to such





                                      -5-
<PAGE>   6
         payroll and withholding deductions as may be required by law),
         commencing with the calendar year following the year in which (i) the
         Employee shall become seventy (70) or (ii) the Employee's employment
         with Southwest shall terminate (whether such termination is under this
         Agreement or otherwise and whether it is before, on or after the
         expiration of the initial term set forth in Paragraph III-A above, and
         irrespective of the cause thereof), whichever shall occur earlier, and
         continuing until the entire amount of Deferred Compensation and
         Interest credited to the Account shall have been paid.  Although the
         total amount of Deferred Compensation ultimately payable to the
         Employee hereunder shall be computed in accordance with the provisions
         set forth above, there shall be accrued and credited to the Account,
         beginning on January 1, 1996 and continuing annually thereafter,
         amounts equal to simple interest at the rate of ten percent (10%) per
         annum, compounded annually ("Interest"), on the accrued and unpaid
         balance of the Deferred Compensation credited to the Account as of the
         preceding December 31.  The Deferred Compensation and Interest to be
         paid in any one calendar year shall be paid on the first business day
         of such calendar year.  Notwithstanding the foregoing, in the event of
         the Employee's death, Southwest, in its sole discretion, shall have
         the right to pay the unpaid balance of the Deferred Compensation
         (together with any accrued Interest thereon) to the executors or
         administrators of the Employee's estate in cash in one lump sum on the
         first business day of the calendar year next following the calendar
         year in which the Employee shall have died.  No right, title, interest
         or benefit under this Paragraph IV-C shall ever be liable for or
         charged with any of the torts or obligations of the Employee or any
         person claiming under him, or be subject to seizure by any creditor of
         the Employee or any person claiming under him.  Neither the Employee
         nor





                                      -6-
<PAGE>   7
         any person claiming under him shall have the power to anticipate or
         dispose of any right, title, interest or benefit under this Paragraph
         IV-C in any manner until the same shall have been actually distributed
         by Southwest.

D.       DISABILITY INSURANCE.  Southwest shall provide long term disability
         insurance providing for payment, in the event of disability of the
         Employee, of $6,000 per month to age seventy (70).  Except as to
         amounts payable, the terms and conditions of such policy shall be
         identical, or substantially similar, to the disability insurance
         provided by Southwest for its other officers as of the date of this
         Agreement.

E.       MEDICAL AND DENTAL EXPENSES.  During the term of this Agreement,
         Southwest shall reimburse the Employee (i) for all medical and dental
         expenses incurred by the Employee and his spouse and (ii) for all
         medical and dental expenses paid by the Employee in excess of $10,000
         per calendar year and incurred by his children, their spouses and the
         Employee's grandchildren.  Expenses for medical care shall be deemed
         to include all amounts paid with respect to hospital bills, doctor and
         dental bills and drugs which are not compensated by insurance or
         otherwise.

F.       STOCK OPTION GRANT AND AMENDMENTS.  Southwest shall grant to the
         Employee, effective as of the date hereof but subject to shareholder
         approval, ten-year options to purchase 500,000 shares of its common
         stock at a price per share which represents the New York Stock
         Exchange - Composite Tape closing sales price on January 2, 1996, the
         first trading day after the effective date of this Agreement in
         accordance with the Stock Option Plan and Agreement of even date
         herewith, a form of which is attached as Exhibit A hereto, and
         ten-year options to purchase 144,395 such shares at $1 per share in
         accordance with the Stock Option Plan and Agreement of even





                                      -7-
<PAGE>   8
         date herewith, a form of which is attached as Exhibit B hereto.
         Failing shareholder approval of each such Stock Option Plan and
         Agreement at the 1996 Annual Meeting of Shareholders (including any
         adjournment thereof), such grant shall be null and void ab initio, and
         thereupon Southwest and the Employee shall negotiate alternative
         compensation of equivalent value to the Employee.

G.       OTHER BENEFITS.  The  Employee shall be eligible to continue to
         participate in all employee pension, profit-sharing, stock purchase,
         group insurance and other benefit plans or programs in effect for
         Southwest managerial employees generally to the extent of and in
         accordance with the rules and agreements governing such plans or
         programs, so long as same shall be in effect, with full service credit
         where relevant for the Employee's prior employment by Southwest.
         Southwest shall reimburse the Employee for reasonable expenses
         incurred by him in the performance of his duties and responsibilities
         hereunder.  The Employee shall be entitled to vacation of three (3)
         weeks per year or such longer period as may be established from time
         to time by Southwest for its managerial employees generally.

                           V. TERMINATION PROVISIONS

A.       EXPIRATION OR DEATH.  The Employee's employment hereunder shall
         terminate on December 31, 2000 (or such later date to which the term
         of this Agreement may be extended by consent of the parties hereto, in
         either case without prejudice to the Employee's privilege to remain an
         employee of Southwest thereafter), or upon the Employee's death,
         whichever shall first occur, without further obligation or liability
         of either party hereunder, except for Southwest's obligation to pay
         Deferred Compensation as provided in Paragraph IV-C of this Agreement.





                                      -8-
<PAGE>   9
B.       TERMINATION FOR CAUSE.  Southwest may terminate the Employee's
         employment hereunder upon the determination by a majority of its whole
         Board of Directors that the Employee has willfully failed and refused
         to perform his duties and to discharge his responsibilities hereunder.
         Such determination shall be final and conclusive.  If the Board of
         Directors of Southwest makes such determination, Southwest may (a)
         terminate the Employee's employment, effective immediately or at a
         subsequent date, or (b) condition his continued employment upon such
         circumstances and place a reasonable limitation upon the time within
         which the Employee shall comply with such considerations or
         requirements.  If termination is so effected, Southwest shall have no
         further liability to the Employee hereunder except for the obligation
         to pay Deferred Compensation as provided in Paragraph IV-C hereof.

C.       TERMINATION FOR DISABILITY.  Southwest may terminate the Employee's
         employment hereunder on account of any disabling illness, hereby
         defined to include any emotional or mental disorders, physical
         diseases or injuries as a result of which the Employee is, for a
         continuous period of ninety (90) days, unable to work on a full-time
         basis.  Southwest shall give to the Employee thirty (30) days' notice
         of its intention to effect such termination pursuant to this Paragraph
         V-C.  If, within such notice period, the Employee shall have recovered
         from his disability sufficiently well to return to full-time duty
         (although still undergoing treatment or rehabilitation), Southwest
         shall not have the right to effect such termination.  If such
         disabling illness occurs as a result of a job-related cause, Southwest
         shall continue to pay the Employee regular installments of his Base
         Salary in effect at the time of such termination for the remainder of
         the term of this Agreement.  It is expressly understood and agreed,
         however, that any obligation of





                                      -9-
<PAGE>   10
         Southwest to continue to pay the Employee his Base Salary pursuant to
         this Paragraph V-C shall be reduced by the amount of any proceeds of
         long-term disability insurance provided for the Employee pursuant to
         Paragraph IV-D above, and shall also be reduced by the amount of the
         proceeds of any worker's compensation or other benefits which the
         Employee receives as a result of or growing out of his disabling
         illness.

D.       CHANGE OF CONTROL TERMINATION.  In the event of any change of control
         of Southwest, the Employee may, at his option, terminate his
         employment hereunder by giving to Southwest notice thereof no later
         than sixty (60) days after the Employee shall have determined or
         ascertained that such change has occurred, irrespective whether
         Southwest shall have purported to terminate this Agreement after such
         event but prior to receipt of such notice.  If termination is so
         effected, no later than the date of such termination Southwest shall
         pay the Employee as "severance pay" a lump sum equal to (i) $750,000
         plus (ii) an amount equal to the unpaid installments of his Base
         Salary in effect at the time of such termination for the remaining
         term of this Agreement.  Notwithstanding the forgoing, Southwest shall
         have no obligation to pay the Employee hereunder, and the Employee
         shall have no right to receive from Southwest hereunder, any payment
         to the extent that such payment would constitute an "excess parachute
         payment" within the meaning of Section 280G of the Internal Revenue
         Code of 1986, as amended, and, in the event Southwest makes any such
         payment hereunder, the Employee shall refund the amount of such
         payment to Southwest promptly upon request.  If termination is so
         effected, Southwest shall have no other further liability to the
         Employee hereunder except for its obligation to pay Deferred
         Compensation as provided in Paragraph IV-C above.  For purposes of
         this Paragraph V-D, a "change of control of





                                      -10-
<PAGE>   11
         Southwest" shall be deemed to occur if (i) a third person, including a
         "group" as determined in accordance with Section 13(d)(3) of the
         Securities Exchange Act of 1934, becomes the beneficial owner of
         shares of Southwest having twenty percent (20%) or more of the total
         number of votes that may be cast for the election of directors of
         Southwest, or (ii) as a result of, or in connection with, any cash
         tender or exchange offer, merger or other business combination, sale
         of assets or contested election, or any combination of the foregoing
         transactions (herein called a "Transaction"), the persons who were
         directors of Southwest before the Transaction shall cease to
         constitute a majority of the Board of Directors of Southwest or any
         successor to Southwest.

E.       VOLUNTARY TERMINATION.  The Employee's employment hereunder shall
         terminate forthwith upon his resignation and its acceptance by
         Southwest, without further obligation or liability of either party
         hereunder, except for Southwest's obligation to pay Deferred
         Compensation as provided in Paragraph IV-C above.

                               VI.  MISCELLANEOUS

A.       ASSIGNABILITY, ETC.  The rights and obligations of Southwest hereunder
         shall inure to the benefit of and shall be binding upon the successors
         and assigns of Southwest; provided, however, Southwest's obligations
         hereunder may not be assigned without the prior approval of the
         Employee.  This Agreement is personal to the Employee and may not be
         assigned by him.

B.       NO WAIVERS.  Failure to insist upon strict compliance with any
         provision hereof shall not be deemed a waiver of such provision or any
         other provision hereof.

C.       AMENDMENTS.  This Agreement may not be modified except by an agreement
         in writing executed by the parties hereto.





                                      -11-
<PAGE>   12
D.       NOTICES.  Any notice required or permitted to be given under this
         Agreement shall be in writing and shall be deemed to have been given
         to the person affected by such notice when personally delivered or
         when deposited in the United States mail, certified mail, return
         receipt requested and postage prepaid, and addressed to the party
         affected by such notice at the address indicated on the signature page
         hereof.

E.       SEVERABILITY.  The invalidity or unenforceability of any provision
         hereof shall not affect the validity or enforceability of any other
         provision hereof.

F.       COUNTERPARTS.  This Agreement may be executed in multiple
         counterparts, each of which shall be deemed an original but all of
         which taken together shall constitute a single instrument.

G.       ENTIRE AGREEMENT.  This Agreement contains all of the terms and
         conditions agreed upon by the parties hereto respecting the subject
         matter hereof, and all other prior agreements, oral or otherwise,
         regarding the subject matter of this Agreement shall be deemed to be
         superseded as of the date of this Agreement and not to bind either of
         the parties hereto.

H.       GOVERNING LAW.  This Agreement shall be subject to and governed by the
         laws of the State of Texas.





                                      -12-
<PAGE>   13
         IN WITNESS WHEREOF, the Employee has set his hand hereto and Southwest
has caused this Agreement to be signed in its corporate name and behalf by one
of its officers thereunto duly authorized, all as of the day and year first
above written.

                                        SOUTHWEST AIRLINES CO.
                                        
                                        
                                        
                                        By: /s/ John G. Denison
                                            -----------------------------------
                                                John G. Denison
                                                Executive Vice President - 
                                                Corporate Services
                                                
                                                Address:  P.O. Box 36611
                                                Dallas, Texas  75235-1611
                                        
ATTEST:                                 
                                        
                                        
/s/ Colleen C. Barrett                   
- -----------------------------------
    Colleen C. Barrett                   
    Secretary                            
                                        
                                        THE EMPLOYEE
                                        
                                        
                                        
                                        /s/ Herbert D. Kelleher
                                        ---------------------------------------
                                            Herbert D. Kelleher
                                        
                                            Address:  P.O. Box 36611
                                            Dallas, Texas  75235-1611





                                      -13-
<PAGE>   14





                        STOCK OPTION PLAN AND AGREEMENT





         THIS STOCK OPTION PLAN AND AGREEMENT ("Agreement"), made as of the 2nd
day of January 1996, between SOUTHWEST AIRLINES CO., a Texas corporation (the
"Company"), and HERBERT D. KELLEHER ("Employee"),

                              W I T N E S S E T H:

         To carry out the purpose of Paragraph IV-F of the Employment Contract
(herein so called) of even date herewith between the Company and Employee by
affording Employee the opportunity to purchase shares of the $1.00 par value
common stock of the Company ("Stock"), the Company and Employee hereby agree as
follows:

         1.      GRANT OF OPTION.  Subject to shareholder approval as provided
in Paragraph IV-F of the Employment Contract, the Company hereby irrevocably
grants to Employee the right and option ("Option") to purchase all or part of
an aggregate of 500,000 shares of Stock, on the terms and conditions set forth
herein.  This Option is not intended to constitute an incentive stock option
within the meaning of Section 422A(b) of the Internal Revenue Code of 1986, as
amended (the "Code").

         2.      PURCHASE PRICE.  The purchase price of Stock purchased
pursuant to the exercise of this Option shall be $23.50 per share, which
represents the New York Stock Exchange-Composite Tape closing sales price of
the Stock on the date thereof.

         3.      EXERCISE OF OPTION.  Subject to the earlier expiration of this
Option as herein provided, this Option may be exercised, by written notice to
the Company (addressed to its





                                      -1-
<PAGE>   15
principal executive offices), at any time and from time to time after the date
of grant hereof, 100,000 shares on the date hereof and thereafter in equal
annual increments of 100,000 shares each on January 1 of each year, beginning
January 1, 1997, with all of such options being exercisable on and after
January 1, 2000.  Notwithstanding the foregoing, in the event of any change of
control of the Company (as defined in Paragraph V-D of the Employment
Contract), then this Option shall become exercisable in full.  This Option is
not transferable by Employee otherwise than by will or the laws of descent and
distribution, and may be exercised only by Employee during his lifetime and
while he remains a full-time employee of the Company, except that:

         (a)     If Employee's full-time employment with the Company terminates
other than by death (whether by resignation, retirement, dismissal or
otherwise), Employee may exercise this Option at any time during the period of
three years following the date of such termination, but only as to the number
of shares Employee was entitled to purchase hereunder as of the date his
employment so terminates.

         (b)     If Employee dies while in the employ of the Company or within
the three-year period specified in (a) above, his estate, or the person who
acquires this Option by bequest or inheritance or by reason of the death of
Employee, may exercise this Option at any time during the period of one year
following the date of Employee's death, but only as to the number of shares
Employee was entitled to purchase hereunder as of the date of his death.

         In any event, this Option shall not be exercisable as to any shares of
Stock offered hereby after the expiration of ten years from the date this
Option shall first become exercisable with respect to such shares.  The
purchase price of shares of Stock as to which this Option is





                                      -2-
                             STOCK OPTION AGREEMENT
<PAGE>   16
exercised shall be paid in full at the time of exercise (a) in cash (including
check, bank draft or money order payable to the order of the Company), or (b)
by delivery to the Company of shares of Stock having a fair market value equal
to the purchase price, or (c) by a combination of cash and Stock; provided that
the fair market value of Stock so delivered shall be the mean of the reported
high and low sales price of Stock on the New York Stock Exchange - Composite
Tape on the date on which the Option is exercised or, if no prices are so
reported on such day, on the next preceding day on which such prices of Stock
are so reported.  Unless and until a certificate for such shares shall have
been issued by the Company to him, Employee (or the person permitted to
exercise this Option in the event of Employee's death) shall not be or have any
of the rights or privileges of a shareholder of the Company with respect to
shares acquirable upon an exercise of this Option.

         4.      SHARES SUBJECT TO THE OPTION.  The aggregate number of shares
of Stock which may be issued under this Option is 500,000.  Such shares may
consist of authorized but unissued shares of Stock or previously issued shares
reacquired by the Company.  Any of such shares which remains unissued at the
termination of this Option shall cease to be subject thereto, but until
termination of this Option the Company shall at all times make available a
sufficient number of shares to meet the requirements of this Option.  The
aggregate number of shares issuable under this Option shall be adjusted to
reflect a change in capitalization of the Company, such as a stock dividend or
stock split, as provided in Paragraph 5 of this Agreement.

         5.      RECAPITALIZATION OR REORGANIZATION.  (a)   The existence of
this Option shall not affect in any way the right or power of the Board of
Directors or the shareholders of the Company to make or authorize any
adjustment, recapitalization, reorganization or other change





                                      -3-
                             STOCK OPTION AGREEMENT
<PAGE>   17
in the Company's capital structure or its business, any merger or consolidation
of the Company, any issue of bonds, debentures, warrants, preferred or prior
preference stocks ahead of or affecting Stock or the rights thereof, the
dissolution or liquidation of the Company or any sale or transfer of all or any
part of its assets or business, or any other corporate act or proceeding.

         (b)     The shares offered by this Option are shares of Stock as
presently constituted, but if, and whenever, prior to the expiration of this
Option, the Company shall effect a subdivision or consolidation of shares of
Stock or the payment of a stock dividend on Stock without receipt of
consideration by the Company, the number of shares of Stock with respect to
which this Option may thereafter be exercised (i) in the event of an increase
in the number of outstanding shares shall be proportionately increased, and the
purchase price per share shall be proportionately reduced (but in no event to
less than the par value of the Stock), and (ii) in the event of a reduction in
the number of outstanding shares shall be proportionately reduced, and the
purchase price per share shall be proportionately increased.

         (c)     If the Company recapitalizes or merges or engages in a
compulsory share exchange with one or more other entities and the Company shall
be the surviving or acquiring corporation, thereafter upon any exercise of this
Option, Employee shall be entitled to purchase under this Option, in lieu of
the number of shares of Stock as to which this Option shall then be
exercisable, the number and class of shares of stock and other securities or
other property to which Employee would have been entitled pursuant to the terms
of the recapitalization or plan of merger or exchange if, immediately prior to
the effective time of such recapitalization or merger or share exchange,
Employee had been the holder of record of the number of shares of Stock as to
which such Option is then exercisable.  If the Company shall not be the
surviving





                                      -4-
                             STOCK OPTION AGREEMENT
<PAGE>   18
or acquiring corporation in any merger or share exchange, or if the Company is
to be dissolved or liquidated, then unless a surviving or acquiring entity
assumes or substitutes new Options for this Option, (i) the time at which this
Option may be exercised shall be accelerated and this Option shall become
exercisable in full on or before a date fixed by the Company prior to the
effective date of such merger or share exchange or such dissolution or
liquidation, and (ii) upon such effective date this Option shall expire.

         (d)     Except as hereinbefore expressly provided, the issuance by the
Company of shares of stock of any class or securities convertible into shares
of stock of any class, for cash, property, labor or services, upon direct sale,
upon the exercise of rights or warrants to subscribe therefor, or upon
conversion of shares or obligations of the Company convertible into such shares
or other securities, in any case whether or not for fair value, shall not
affect, and no adjustment by reason thereof shall be made with respect to, the
number of shares of Stock subject to this Option or the purchase price per
share.

         6.      ADMINISTRATION.  To the extent necessary for the
administration of elections made pursuant to Paragraph 7 hereof, this Option
shall be administered by the Stock Option Committee which administers the 1991
Incentive Stock Option Plan of the Company; or, at the direction of the Board
of Directors of the Company, such other committee (together with such Stock
Option Committee, the "Committee") of three or more directors of the Company,
each of whom is a disinterested person, appointed by the Board of Directors of
the Company.  The Committee is further authorized to interpret this Option and
may from time to time adopt such rules and regulations, consistent with the
provisions of this Option, as it may deem advisable to carry out this Option.
For purposes of this Option, "disinterested person" shall have the





                                      -5-
                             STOCK OPTION AGREEMENT
<PAGE>   19
meaning provided for by Rule 16b-3 promulgated under the Securities Exchange
Act of 1934, as amended and the regulations promulgated under Section 162(m) of
the Internal Revenue Code.

         7.      WITHHOLDING OF TAX.  To the extent that the exercise of this
Option or the disposition of shares of Stock acquired by exercise of this
Option results in compensation income to Employee for federal or state income
tax purposes, except as hereinafter provided, Employee shall deliver to the
Company at the time of such exercise or disposition such amount of money as the
Company may require to meet its obligation under applicable tax laws or
regulations.  Employee may elect with respect to this Option to surrender or
authorize the Company to withhold shares of Stock (valued at their fair market
value on the date of surrender or withholding of such shares) in satisfaction
of any such withholding obligation (a "Stock Surrender Withholding Election");
provided, however, that any Stock Surrender Withholding Election shall be made
in accordance with the rules and regulations adopted by the Committee for
implementation of the tax withholding provisions of this Paragraph 7.  If
Employee fails to deliver such money or make a Stock Surrender Withholding
Election pursuant to this Paragraph 7, the Company is authorized to withhold
from any cash or Stock remuneration then or thereafter payable to Employee any
tax required to be withheld.

         8.      STATUS OF STOCK.  The Company does not presently intend to
register for issue under the Securities Act of 1933, as amended (the "Act"),
the shares of Stock acquirable upon exercise of this Option, and instead
proposes to rely on the private offering exemption from the registration
requirements of the Act afforded by Section 4(2) thereof.  In order to assure
that exemption from registration under the Act is available upon an exercise of
this Option, Employee (or the person permitted to exercise this Option in the
event of Employee's death),





                                      -6-
                             STOCK OPTION AGREEMENT
<PAGE>   20
if requested by the Company to do so, will execute and deliver to the Company
in writing an agreement containing such provisions as the Company may
reasonably require to assure compliance with applicable securities laws.  No
sale or disposition of shares of Stock acquired upon exercise of this Option
shall be made in the absence of a registration statement being on file with
respect to such shares under the Act unless an opinion of counsel satisfactory
to the Company that such sale or disposition will not constitute a violation of
the Act or any other applicable securities laws is first obtained.  The
certificates representing shares of Stock acquired under this Option may bear
such legend as the Company deems appropriate, referring to the provisions of
this Paragraph 8.

         9.      REGISTRATION RIGHTS.  With respect to any shares of Stock
which are issued and delivered upon exercise of this Option (the "Shares"):

         (a)   Upon written request made by Employee at any time before January
1, 2011, the Company shall take such steps as may be necessary promptly to
register (but not more than once), at the Company's sole expense (save for any
underwriting commissions or discounts applicable to any Shares and Employee's
counsel fees), such of the Shares under the Act (and under regulations of the
Securities and Exchange Commission under the Act or under any similar federal
act or acts then in effect and under the so-called "Blue Sky" laws of the
several states and regulations thereunder then in effect), as Employee may by
written request given to the Company within 15 days following such initial
request, desire to have so registered.  The Company will cause such a
registration statement to be filed within 90 days after the initial request is
made.  The Company will use its best efforts to cause any such registration
statement





                                      -7-
                             STOCK OPTION AGREEMENT
<PAGE>   21
to become and to remain effective and current for such period (not to exceed
120 days) as Employee may request.

         (b)   In connection with any registration under this Paragraph 9, the
parties agree to indemnify each other in the customary manner, and, in the case
of an organized secondary or primary underwritten offering, the Company agrees
to indemnify Employee and the underwriters and Employee agrees to indemnify the
Company (provided Employee is then a director, officer or employee of the
Company), in the manner and to the extent as is customary in secondary or
primary underwritten offerings.

         (c)   The Company shall have the sole right to designate the
underwriters to be employed in any organized secondary or primary underwritten
offering under this Section 9.

         (d)   In connection with any registration under this Section 9,
Employee shall furnish to the Company such information regarding the Shares and
such other information as the Company may reasonably request.

         10.     EMPLOYMENT RELATIONSHIP.  Employee shall be considered to be
in the employment of the Company as long as he remains an employee of either
the Company, a parent or subsidiary corporation (as defined in Section 424 of
the Code), or a corporation or a parent or subsidiary of such corporation
assuming or substituting a new option for this Option.  Any questions as to
whether or when there has been a termination of such employment, and the cause
of such termination, shall be determined by the Board of Directors of the
employing corporation, and its determination shall be final.  No obligation as
to length of Employee's employment with any such corporation shall be implied
from the terms of this Agreement, and this Agreement in no way modifies,
alters, amends or impairs the provisions of the Employment Contract.





                                      -8-
                             STOCK OPTION AGREEMENT
<PAGE>   22
         11.     BINDING EFFECT.  This Agreement shall be binding upon and
inure to the benefit of any successors to the Company and all persons lawfully
claiming under Employee.

         IN WITNESS WHEREOF, the Company has caused this Agreement to be duly
executed by its officer thereunto duly authorized, and Employee has executed
this Agreement, all as of the day and year first above written.


ATTEST:                                 SOUTHWEST AIRLINES CO.
                                        
/s/ Colleen C. Barrett                   By:/s/ John G. Denison
- -----------------------------------        -----------------------------------
    Colleen C. Barrett                          John G. Denison
    Secretary                                   Executive Vice President -
                                                  Corporate Services
                                        
                                        EMPLOYEE
                                        
                                        /s/ Herbert D. Kelleher               
                                        --------------------------------------
                                            Herbert D. Kelleher





                                      -9-
                             STOCK OPTION AGREEMENT
<PAGE>   23



                        STOCK OPTION PLAN AND AGREEMENT





         THIS STOCK OPTION PLAN AND AGREEMENT ("Agreement"), made as of the 1st
day of January 1996, between SOUTHWEST AIRLINES CO., a Texas corporation (the
"Company"), and HERBERT D. KELLEHER ("Employee"),

                              W I T N E S S E T H:

         To carry out the purpose of Paragraph IV-F of the Employment Contract
(herein so called) of even date herewith between the Company and Employee by
affording Employee the opportunity to purchase shares of the $1.00 par value
common stock of the Company ("Stock"), the Company and Employee hereby agree as
follows:

         1.      GRANT OF OPTION.  Subject to shareholder approval as provided
in Paragraph IV-F of the Employment Contract, the Company hereby irrevocably
grants to Employee the right and Option ("Option") to purchase all or part of
an aggregate of 144,395 shares of Stock, on the terms and conditions set forth
herein.

         2.      PURCHASE PRICE.  The purchase price of Stock purchased
pursuant to the exercise of this Option shall be $1 per share.

         3.      EXERCISE OF OPTION.  Subject to the earlier expiration of this
Option as herein provided, this Option may be exercised, by written notice to
the Company (addressed to its principal executive offices), at any time and
from time to time after the date of grant hereof; vesting in equal annual
increments of 28,879 shares each on January 1 of each year, beginning January
1, 1996, with all of such options being exercisable on and after January 1,
2000.





                                      -1-
                          STOCK OPTION AGREEMENT - $1
<PAGE>   24
Notwithstanding the foregoing, in the event of any change of control of the
Company (as defined in Paragraph V-D of the Employment Contract), then this
Option shall become exercisable in full.  This Option is not transferable by
Employee otherwise than by will or the laws of descent and distribution, and
may be exercised only by Employee during his lifetime and while he remains a
full-time employee of the Company, except that:

         (a)   If Employee's full-time employment with the Company terminates
other than by death (whether by resignation, retirement, dismissal or
otherwise), Employee may exercise this Option at any time during the period of
three years following the date of such termination, but only as to the number
of shares Employee was entitled to purchase hereunder as of the date his
employment so terminates.

         (b)   If Employee dies while in the employ of the Company or within
the three-year period specified in (a) above, his estate, or the person who
acquires this Option by bequest or inheritance or by reason of the death of
Employee, may exercise this Option at any time during the period of one year
following the date of Employee's death, but only as to the number of shares
Employee was entitled to purchase hereunder as of the date of his death.

         In any event, this Option shall not be exercisable as to any shares of
Stock offered hereby after the expiration of ten years from the date this
Option shall first become exercisable with respect to such shares.  The
purchase price of shares of Stock as to which this Option is exercised shall be
paid in full at the time of exercise (a) in cash (including check, bank draft
or money order payable to the order of the Company), or (b) by delivery to the
Company of shares of Stock having a fair market value equal to the purchase
price, or (c) by a combination of cash and Stock; provided that the fair market
value of Stock so delivered shall be the mean of the





                                      -2-
                          STOCK OPTION AGREEMENT - $1
<PAGE>   25
reported high and low sales price of Stock on the New York Stock Exchange -
Composite Tape on the date on which the Option is exercised or, if no prices
are so reported on such day, on the next preceding day on which such prices of
Stock are so reported.  Unless and until a certificate for such shares shall
have been issued by the Company to him, Employee (or the person permitted to
exercise this Option in the event of Employee's death) shall not be or have any
of the rights or privileges of a shareholder of the Company with respect to
shares acquirable upon an exercise of this Option.

         4.      SHARES SUBJECT TO THE OPTION.  The aggregate number of shares
of Stock which may be issued under this Option is 144,395.  Such shares may
consist of authorized but unissued shares of Stock or previously issued shares
reacquired by the Company.  Any of such shares which remains unissued at the
termination of this Option shall cease to be subject thereto, but until
termination of this Option the Company shall at all times make available a
sufficient number of shares to meet the requirements, of this Option.  The
aggregate number of shares issuable under this Option shall be adjusted to
reflect a change in capitalization of the Company, such as a stock dividend or
stock split, as provided in Paragraph 5 of this Agreement.

         5.      RECAPITALIZATION OR REORGANIZATION.  (a) The existence of this
Option shall not affect in any way the right or power of the Board of Directors
or the shareholders of the Company to make or authorize any adjustment,
recapitalization, reorganization or other change in the Company's capital
structure or its business, any merger or consolidation of the Company, any
issue of bonds, debentures, warrants, preferred or prior preference stocks
ahead of or affecting Stock or the rights thereof, the dissolution or
liquidation of the Company or any sale or transfer of all or any part of its
assets or business, or any other corporate act or proceeding.





                                      -3-
                          STOCK OPTION AGREEMENT - $1
<PAGE>   26
         (b)     The shares offered by this Option are shares of Stock as
presently constituted, but if, and whenever, prior to the expiration of this
Option, the Company shall effect a subdivision or consolidation of shares of
Stock or the payment of a stock dividend on Stock without receipt of
consideration by the Company, the number of shares of Stock with respect to
which this Option may thereafter be exercised (i) in the event of an increase
in the number of outstanding shares shall be proportionately increased, and the
purchase price per share shall be proportionately reduced (but in no event to
less than the par value of the Stock), and (ii) in the event of a reduction in
the number of outstanding shares shall be proportionately reduced, and the
purchase price per share shall be proportionately increased.

         (c)     If the Company recapitalizes or merges or engages in a
compulsory share exchange with one or more other entities and the Company shall
be the surviving or acquiring corporation, thereafter upon any exercise of this
Option, Employee shall be entitled to purchase under this Option, in lieu of
the number of shares of Stock as to which this Option shall then be
exercisable, the number and class of shares of stock and other securities or
other property to which Employee would have been entitled pursuant to the terms
of the recapitalization or plan of merger or exchange if, immediately prior to
the effective time of such recapitalization or merger or share exchange,
Employee had been the holder of record of the number of shares of Stock as to
which such Option is then exercisable.  If the Company shall not be the
surviving or acquiring corporation in any merger or share exchange, or if the
Company is to be dissolved or liquidated, then unless a surviving or acquiring
entity assumes or substitutes new Options for this Option, (i) the time at
which this Option may be exercised shall be accelerated and this Option shall
become exercisable in full on or before a date fixed by the Company prior to
the





                                      -4-
                          STOCK OPTION AGREEMENT - $1
<PAGE>   27
effective date of such merger or share exchange or such dissolution or
liquidation, and (ii) upon such effective date this Option shall expire.

         (d)     Except as hereinbefore expressly provided, the issuance by the
Company of shares of stock of any class or securities convertible into shares
of stock of any class, for cash, property, labor or services, upon direct sale,
upon the exercise of rights or warrants to subscribe therefor, or upon
conversion of shares or obligations of the Company convertible into such shares
or other securities, and in any case whether or not for fair value, shall not
affect, and no adjustment by reason thereof shall be made with respect to, the
number of shares of Stock subject to this Option or the purchase price per
share.

         6.      ADMINISTRATION.  To the extent necessary for the
administration of elections made pursuant to Paragraph 7 hereof, this Option
shall be administered by the Stock Option Committee which administers the 1991
Incentive Stock Option Plan of the Company; or, at the direction of the Board
of Directors of the Company, such other committee (together with such Stock
Option Committee, the "Committee") of three or more directors of the Company,
each of whom is a disinterested person, appointed by the Board of Directors of
the Company.  The Committee is further authorized to interpret this Option and
may from time to time adopt such rules and regulations, consistent with the
provisions of this Option, as it may deem advisable to carry out this Option.
For purposes of this Option, "disinterested person" shall have the meaning
provided for by Rule 16b-3 promulgated under the Securities Exchange Act of
1934, as amended.

         7.      WITHHOLDING OF TAX.  To the extent that the exercise of this
Option or the disposition of shares of Stock acquired by exercise of this
Option results in compensation income





                                      -5-
                          STOCK OPTION AGREEMENT - $1
<PAGE>   28
to Employee for federal or state income tax purposes, except as hereinafter
provided, Employee shall deliver to the Company at the time of such exercise or
disposition such amount of money as the Company may require to meet its
obligation under applicable tax laws or regulations.  Employee may elect with
respect to this Option to surrender or authorize the Company to withhold shares
of Stock (valued at their fair market value on the date of surrender or
withholding of such shares) in satisfaction of any such withholding obligation
(a "Stock Surrender Withholding Election"); provided, however, that any Stock
Surrender Withholding Election shall be made in accordance with the rules and
regulations adopted by the Committee for implementation of the tax withholding
provisions of this Paragraph 7.  If Employee fails to deliver such money or
make a Stock Surrender Withholding Election pursuant to this Paragraph 7, the
Company is authorized to withhold from any cash or Stock remuneration then or
thereafter payable to Employee any tax required to be withheld.

         8.      STATUS OF STOCK.  The Company does not presently intend to
register for issue under the Securities Act of 1933, as amended (the "Act"),
the shares of Stock acquirable upon exercise of this Option, and instead
proposes to rely on the private offering exemption from the registration
requirements of the Act afforded by Section 4(2) thereof.  In order to assure
that exemption from registration under the Act is available upon an exercise of
this Option, Employee (or the person permitted to exercise this Option in the
event of Employee's death), if requested by the Company to do so, will execute
and deliver to the Company in writing an agreement containing such provisions
as the Company may reasonably require to assure compliance with applicable
securities laws.  No sale or disposition of shares of Stock acquired upon
exercise of this Option shall be made in the absence of a registration
statement being on





                                      -6-
                          STOCK OPTION AGREEMENT - $1
<PAGE>   29
file with respect to such shares under the Act unless an opinion of counsel
satisfactory to the Company that such sale or disposition will not constitute a
violation of the Act or any other applicable securities laws is first obtained.
The certificates representing shares of Stock acquired under this Option may
bear such legend as the Company deems appropriate, referring to the provisions
of this Paragraph 8.

         9.      REGISTRATION RIGHTS.  With respect to any shares of Stock
which are issued and delivered upon exercise of this Option (the "Shares"):

         (a)     Upon written request made by Employee at any time before
January 1, 2011, the Company shall take such steps as may be necessary promptly
to register (but not more than once), at the Company's sole expense (save for
any underwriting commissions or discounts applicable to any Shares and
Employee's counsel fees), such of the Shares under the Act (and under
regulations of the Securities and Exchange Commission under the Act or under
any similar federal act or acts then in effect and under the so-called "Blue
Sky" laws of the several states and regulations thereunder then in effect), as
Employee may by written request given to the Company within 15 days following
such initial request, desire to have so registered.  The Company will cause
such a registration statement to be filed within 90 days after the initial
request is made.  The Company will use its best efforts to cause any such
registration statement to become and to remain effective and current for such
period (not to exceed 120 days) as Employee may request.

         (b)     In connection with any registration under this Paragraph 9,
the parties agree to indemnify each other in the customary manner, and, in the
case of an organized secondary or primary underwritten offering, the Company
agrees to indemnify Employee and the underwriters





                                      -7-
                          STOCK OPTION AGREEMENT - $1
<PAGE>   30
and Employee agrees to indemnify the Company (provided Employee is then a
director, officer or employee of the Company), in the manner and to the extent
as is customary in secondary or primary underwritten offerings.

         (c)     The Company shall have the sole right to designate the
underwriters to be employed in any organized secondary or primary underwritten
offering under this Section 9.

         (d)     In connection with any registration under this Section 9,
Employee shall furnish to the Company such information regarding the Shares and
such other information as the Company may reasonably request.

         10.     EMPLOYMENT RELATIONSHIP.  Employee shall be considered to be
in the employment of the Company as long as he remains an employee of either
the Company, a parent or subsidiary corporation (as defined in Section 424 of
the Internal Revenue Code of 1986, as amended), or a corporation or a parent or
subsidiary of such corporation assuming or substituting a new option for this
Option.  Any questions as to whether and when there has been a termination of
such employment, and the cause of such termination, shall be determined by the
Board of Directors of the employing corporation, and its determination shall be
final.  No obligation as to the length of the Employee's employment with any
such corporation shall be implied from the terms of this Agreement, and this
Agreement in no way modifies, alters, amends or impairs the provisions of the
Employment Contract.

         11.     BINDING EFFECT.  This Agreement shall be binding upon and
inure to the benefit of any successors to the Company and all persons lawfully
claiming under Employee.





                                      -8-
                          STOCK OPTION AGREEMENT - $1
<PAGE>   31
         IN WITNESS WHEREOF, the Company has caused this Agreement to be duly
executed by its officer thereunto duly authorized, and Employee has executed
this Agreement, all as of the day and year first above written.


ATTEST:                                 SOUTHWEST AIRLINES CO.
                                        
                                        
/s/ Colleen C. Barrett                  By /s/ John G. Denison
- -----------------------------------       -----------------------------------
    Colleen C. Barrett                         John G. Denison
    Secretary                                  Executive Vice President -
                                                  Corporate Services
                                        



                                        EMPLOYEE





                                        /s/ Herbert D. Kelleher 
                                        -------------------------------------
                                            Herbert D. Kelleher





                                      -9-
                          STOCK OPTION AGREEMENT - $1

<PAGE>   1
                                                                      EXHIBIT 11
                                                                     Page 1 of 3


                             Southwest Airlines Co.
                       Computation of Earnings Per Share
                      For the Year Ended December 31, 1995


<TABLE>
<CAPTION>
                                                                                   Fully
                                                  Primary                         Diluted
                                                ------------                    ------------
<S>                                             <C>                             <C>
Weighted average shares outstanding              143,678,223                     143,678,223

Shares issuable upon exercise of outstanding
  stock options (treasury stock method)            5,172,289                       5,202,614
                                                ------------                    ------------

Weighted average common and common
  equivalent shares                              148,850,512                     148,880,837
                                                ============                    ============

Earnings for per share computations             $182,626,000                    $182,626,000
                                                ============                    ============

Earnings per common and common equivalent              $1.23                           $1.23
share                                                                                       
                                                ============                    ============
</TABLE>



<PAGE>   2
                                                                      EXHIBIT 11
                                                                     Page 2 of 3

                             Southwest Airlines Co.
                       Computation of Earnings Per Share
                      For the Year Ended December 31, 1994

<TABLE>
<CAPTION>
                                                                                   Fully
                                                  Primary                         Diluted 
                                                ------------                    ------------
<S>                                             <C>                             <C>
Weighted average shares outstanding              143,046,509                     143,046,509

Shares issuable upon exercise of outstanding
  stock options (treasury stock method)            4,258,865                       4,259,233
                                                ------------                    ------------

Weighted average common and common
  equivalent shares                              147,305,374                     147,305,742
                                                ============                    ============

Earnings for per share computations             $179,331,000                    $179,331,000
                                                ============                    ============

Earnings per common and common equivalent share        $1.22                           $1.22
                                                ============                    ============
</TABLE>


<PAGE>   3
                                                                      EXHIBIT 11
                                                                     Page 3 of 3

                             Southwest Airlines Co.
                       Computation of Earnings Per Share
                      For the Year Ended December 31, 1993

<TABLE>
<CAPTION>
                                                                                    Fully
                                                   Primary                         Diluted
                                                 ------------                    ------------
<S>                                              <C>                             <C>
Weighted average shares outstanding               142,622,160                     142,622,160

Shares issuable upon exercise of outstanding
  stock options (treasury stock method)             4,522,408                       4,676,476
                                                 ------------                    ------------

Weighted average common and common
  equivalent shares                               147,144,568                     147,298,636
                                                 ============                    ============

Earnings for per share computation before
cumulative effect of accounting changes          $154,284,000                    $154,284,000
                              

Cumulative effect of accounting change             15,259,000                      15,259,000
                                                 ------------                    ------------

Earnings for per share computation after
  cumulative effect of accounting changes        $169,543,000                    $169,543,000
                                                 ============                    ============

Earnings per common and common equivalent
  share before cumulative effect of accounting
  change                                                $1.05                           $1.05
                                                 ============                    ============

Earnings per common and common equivalent
  share after cumulative effect of accounting
  change                                                $1.15                           $1.15
                                                 ============                    ============
</TABLE>


Note:    The share and per share amounts have been adjusted to reflect the
         three-for-two stock split distributed July 15, 1993.


<PAGE>   1
                                                                      EXHIBIT 22

                             SOUTHWEST AIRLINES CO.
                          SUBSIDIARIES OF THE COMPANY




Southwest Airlines Co. has five wholly owned subsidiaries:

         TranStar Airlines Corporation, Southwest Jet Fuel Co., Southwest ABQ
RES Center, Inc., which are incorporated under the laws of Texas; Southwest
Airlines Eurofinance N.V., which is incorporated under the laws of Netherlands
Antilles; and Morris Air Corporation, which is incorporated under the laws of
Delaware.











<PAGE>   1
                                                                      EXHIBIT 23



               CONSENT OF ERNST & YOUNG, LLP INDEPENDENT AUDITORS


         We consent to the incorporation by reference in the Registration
Statements Form S-3 (Nos. 33-52155 and 33-59113) and Form S-8 (Nos. 33-48178,
33-57327, 33-40652 and 33-40653) and in the related Prospectuses of our report
dated January 25, 1996, with respect to the Consolidated Financial Statements
of Southwest Airlines Co. included in this Annual Report (Form 10-K) for the
year ended December 31, 1995.

                                                               ERNST & YOUNG LLP


Dallas, Texas
March 28, 1996








<TABLE> <S> <C>

<ARTICLE> 5
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1995
<PERIOD-END>                               DEC-31-1995
<CASH>                                         317,363
<SECURITIES>                                         0
<RECEIVABLES>                                   79,781
<ALLOWANCES>                                         0
<INVENTORY>                                     41,032
<CURRENT-ASSETS>                               473,136
<PP&E>                                       3,784,388
<DEPRECIATION>                               1,005,081
<TOTAL-ASSETS>                               3,256,122
<CURRENT-LIABILITIES>                          610,621
<BONDS>                                              0
<COMMON>                                       144,033
                                0
                                          0
<OTHER-SE>                                   1,283,285
<TOTAL-LIABILITY-AND-EQUITY>                 3,256,122
<SALES>                                              0
<TOTAL-REVENUES>                             2,872,751
<CGS>                                                0
<TOTAL-COSTS>                                2,559,220
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              58,810
<INCOME-PRETAX>                                305,140
<INCOME-TAX>                                   122,514
<INCOME-CONTINUING>                            182,626
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   182,626
<EPS-PRIMARY>                                     1.23
<EPS-DILUTED>                                     1.23
        

</TABLE>


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