<TABLE> <S> <C>
<ARTICLE> 5
<LEGEND>
THE SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED FINANCIAL STATEMENTS OF MIDWEST EXPRESS HOLDINGS, INC. AS OF AND
FOR THE PERIOD ENDING JUNE 30, 2000 AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH FINANCIAL STATEMENTS
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> JUN-30-2000
<CASH> 25,923
<SECURITIES> 0
<RECEIVABLES> 10,451
<ALLOWANCES> 133
<INVENTORY> 7,546
<CURRENT-ASSETS> 57,492
<PP&E> 316,675
<DEPRECIATION> 97,591
<TOTAL-ASSETS> 287,059
<CURRENT-LIABILITIES> 101,981
<BONDS> 2,987
0
0
<COMMON> 145
<OTHER-SE> 134,233
<TOTAL-LIABILITY-AND-EQUITY> 287,059
<SALES> 0
<TOTAL-REVENUES> 232,582
<CGS> 0
<TOTAL-COSTS> 221,804
<OTHER-EXPENSES> 0
<LOSS-PROVISION> (1)
<INTEREST-EXPENSE> 131
<INCOME-PRETAX> 11,538
<INCOME-TAX> 4,261
<INCOME-CONTINUING> 7,277
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> (4,713)
<NET-INCOME> 2,564
<EPS-BASIC> .18
<EPS-DILUTED> .18
</TABLE>