REVENUE FROM CONTRACTS WITH CUSTOMERS (Tables)

3 Months Ended

Mar. 31, 2022

Revenue Recognition [Abstract]

Disaggregation of Revenue

Passenger revenue recognized in the condensed consolidated statements of operations (in millions):

	Three Months Ended March 31,
	2022		2021
Passenger ticket revenue, including ticket breakage, net of taxes and fees	$	1,232	$	525
Passenger ancillary revenue	91		50
Mileage Plan passenger revenue	188		84
Total Passenger revenue	$	1,511	$	659

Mileage Plan revenue included in the condensed consolidated statements of operations (in millions):

	Three Months Ended March 31,
	2022		2021
Passenger revenue	$	188	$	84
Mileage Plan other revenue	112		94
Total Mileage Plan revenue	$	300	$	178

Cargo and other revenue included in the condensed consolidated statements of operations (in millions):

	Three Months Ended March 31,
	2022		2021
Cargo revenue	$	29	$	27
Other revenue	29		17
Total Cargo and other revenue	$	58	$	44

Contract with Customer Liabilities

The table below presents a roll forward of the total frequent flyer liability (in millions):

	Three Months Ended March 31,
	2022		2021
Total Deferred revenue balance at January 1	$	2,358	$	2,277
Travel miles and companion certificate redemption - Passenger revenue	(176)		(84)
Miles redeemed on partner airlines - Other revenue	(9)		(4)
Increase in liability for mileage credits issued	259		136
Total Deferred revenue balance at March 31	$	2,432	$	2,325