<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM ALASKA AIR
GROUP INC. SECOND QUARTER 1997 FINANCIAL STATEMENTS AND IS QUALIFIED IN ITS
ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<RESTATED>
<MULTIPLIER> 1000
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-END>                               JUN-30-1997
<CASH>                                           82300
<SECURITIES>                                     46300
<RECEIVABLES>                                    93600
<ALLOWANCES>                                         0
<INVENTORY>                                      47300
<CURRENT-ASSETS>                                340800
<PP&E>                                         1282800
<DEPRECIATION>                                  374100
<TOTAL-ASSETS>                                 1400300
<CURRENT-LIABILITIES>                           525800
<BONDS>                                         418500
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         17300
<OTHER-SE>                                      272800
<TOTAL-LIABILITY-AND-EQUITY>                   1400300
<SALES>                                         815400
<TOTAL-REVENUES>                                815400
<CGS>                                           779900
<TOTAL-COSTS>                                   779900
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               17000
<INCOME-PRETAX>                                  26400
<INCOME-TAX>                                     11300
<INCOME-CONTINUING>                              15100
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     15100
<EPS-PRIMARY>                                     1.04
<EPS-DILUTED>                                     0.84