Commitments and Contingencies (Tables)

6 Months Ended

Jun. 30, 2017

Commitments and Contingencies Disclosure [Abstract]

Future aircraft purchase commitments

Our future aircraft purchase commitments totaled approximately $13.7 billion at June 30, 2017:

(in millions)	Total
Six months ending December 31, 2017	$	1,620
2018	3,490
2019	3,070
2020	2,150
2021	2,080
Thereafter	1,290
Total	$	13,700

Our future aircraft purchase commitments included the following aircraft at June 30, 2017:

Aircraft Type	Purchase Commitments
B-737-900ER	51
A321-200	100
A330-900neo	25
A350-900	25
CS100	75
Total	276