Revenue (Tables)

3 Months Ended

Mar. 31, 2021

Revenue from Contract with Customer [Abstract]

Operating Revenue by Geographic Region

The table below presents the Company's operating revenue by principal geographic region (as defined by the U.S. Department of Transportation) (in millions):

	Three Months Ended March 31,
	2021		2020
Domestic (U.S. and Canada)	$	2,111	$	5,078
Atlantic	410		1,215
Pacific	308		806
Latin America	392		880
Total	$	3,221	$	7,979

Roll Forward of Frequent Flyer Deferred Revenue

The table below presents a roll forward of Frequent flyer deferred revenue (in millions):

	Three Months Ended March 31,
	2021		2020
Total Frequent flyer deferred revenue - beginning balance	$	5,975	$	5,276
Total miles awarded	272		559
Travel miles redeemed (Passenger revenue)	(123)		(322)
Non-travel miles redeemed (Other operating revenue)	(15)		(25)
Total Frequent flyer deferred revenue - ending balance	$	6,109	$	5,488