MILEAGE PLAN (TABLES)

6 Months Ended

Jun. 30, 2011

MILEAGE PLAN [Abstract]

Mileage Plan Liabilities [Table Text Block]

Alaska's Mileage Plan deferrals and liabilities are included under the following balance sheet captions (in millions):

	June 30, 2011		December 31, 2010
Current Liabilities:
Other accrued liabilities	$	286.1	$	278.0
Other Liabilities and Credits:
Deferred revenue	367.0		382.1
Other liabilities	14.1		13.8
Total	$	667.2	$	673.9

Mileage Plan Revenue [Table Text Block]

Alaska's Mileage Plan revenue is included under the following condensed consolidated statement of operations captions for the three and six months endedJune 30, 2011 and 2010 (in millions):

	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
Passenger revenues	$	54.2	$	51.0	$	104.5	$	92.1
Other-net revenues	51.6		48.6		97.2		90.6
Total Mileage Plan revenues	$	105.8	$	99.6	$	201.7	$	182.7