Commitments and Contingencies (Tables)

6 Months Ended

Jun. 30, 2019

Commitments and Contingencies Disclosure [Abstract]

Firm Commitments and Options to Purchase Aircraft and Summary of Commitments

As of June 30, 2019, United had firm commitments and options to purchase aircraft from The Boeing Company ("Boeing"), Airbus S.A.S. ("Airbus") and Embraer S.A. ("Embraer") presented in the table below:

		Scheduled Aircraft Deliveries
Aircraft Type	Number of Firm Commitments (a)	Last Six Months of 2019	2020	After 2020
Airbus A350	45	—	—	45
Boeing 737 MAX	171	16	28	127
Boeing 777-300ER	4	2	2	—
Boeing 787	18	2	15	1
Embraer E175	38	18	20	—
(a) United also has options and purchase rights for additional aircraft.

The table below summarizes United's commitments as of June 30, 2019, which include aircraft and related spare engines, aircraft improvements and all non-aircraft capital commitments:

	(in billions)
Last six months of 2019	$	2.2
2020 (a)	5.9
2021	4.0
2022	3.3
2023	2.0
After 2023	6.9
	$	24.3

(a) Commitments for 2020 are expected to be higher than other years displayed in the table above due to the large number of wide-body aircraft deliveries (17 new aircraft) scheduled in that year. Amounts are not adjusted for any potential changes in the delivery schedule of the Boeing 737 MAX aircraft.

Summary of the Expected Future Payments Through the End of the Terms of CPAs

The table below summarizes the Company's expected future payments through the end of the terms of our CPAs, excluding aircraft ownership costs and variable pass-through costs such as fuel and landing fees, among others.

	(in billions)
Last six months of 2019	$	1.1
2020	2.1
2021	2.1
2022	1.7
2023	1.1
After 2023	4.4
	$	12.5