X0306 4/A 2012-12-31 2013-01-03 false 0000766421 ALASKA AIR GROUP, INC. ALK 0001544030 HARRISON ANDREW R 19300 INTERNATIONAL BLVD SEATTLE WA 98188 false true false false VP/PLNG & REV MGMT COMMON STOCK 2012-12-31 4 F false 1518 42.73 D 5170 D COMMON SHARES FORFEITED TO COVER PAYROLL TAXES UPON VESTING OF PERFORMANCE STOCK UNITS ON 12/31/12. THE NUMBER OF SHARES FORFEITED TO COVER PAYROLL TAXES WAS REPORTED INCORRECTLY ON FORM 4 DATED 1/3/13 WHICH ALSO RESULTED IN INCORRECTLY STATING SHARES BENEFICIALLY OWNED IN COLUMN 5. THIS AMENDED REPORT PROVIDES THE CORRECT NUMBER OF SHARES FORFEITED. TOTAL COMMON SHARES BENEFICIALLY OWNED IN COLUMN 5 WAS PREVIOUSLY CORRECTED ON THE FORM 4 FILED ON 1/31/13 AND IS RESTATED ON THIS AMENDMENT. JEANNE E GAMMON, ATTORNEY IN FACT FOR ANDREW R. HARRISON 2013-02-01