Commitments and Contingencies (Tables)

3 Months Ended

Mar. 31, 2020

Commitments and Contingencies Disclosure [Abstract]

Firm Commitments and Options to Purchase Aircraft and Summary of Commitments

As of March 31, 2020, United had firm commitments and options to purchase aircraft from The Boeing Company ("Boeing"), Airbus S.A.S. ("Airbus") and Embraer S.A. ("Embraer") as presented in the table below:

		Scheduled Aircraft Deliveries
Aircraft Type	Number of Firm Commitments (a)	Last Nine Months of 2020	2021	After 2021
Airbus A321XLR	50	—	—	50
Airbus A350	45	—	—	45
Boeing 737 MAX	171	(b)	(b)	(b)
Boeing 787	19	11	8	—
Embraer E175	20	16	4	—
(a) United also has options and purchase rights for additional aircraft.
(b) Deliveries of Boeing 737 MAX aircraft have been delayed due to the FAA Order (defined below). If the FAA Order is lifted in 2020, the Company currently expects to take delivery of approximately 16 Boeing 737 MAX aircraft in 2020 and approximately 24 in 2021.

The table below summarizes United's commitments as of March 31, 2020, which include aircraft and related spare engines, aircraft improvements and all non-aircraft capital commitments (in billions):

Last nine months of 2020	$	2.7
2021 (a)	5.4
2022	2.2
2023	2.4
2024	1.0
After 2024	11.4
	$	25.1
(a) 2021 commitments reflect contractually scheduled deliveries for 2021 plus the Boeing 737 MAX deliveries that the Company currently expects will be deferred from 2020. To the extent the Company and Boeing agree to modify the timing of Boeing 737 MAX deliveries, the amount and timing of the Company's future capital commitments could change.