Commitments and Contingencies (Tables)

6 Months Ended

Jun. 30, 2013

Schedule of Future Minimum Rental Payments for Operating Leases

The following table summarizes future minimum rental payments required under operating leases that had initial or remaining non-cancelable lease terms in excess of one year as of June 30, 2013 (in thousands):

July through December 2013	$	174,682
2014	378,877
2015	325,540
2016	254,928
2017	192,602
Thereafter	720,718
	$	2,047,347

Summary of the Company's firm commitments related to the acquisition of aircraft and related spare engines that are considered firm deliveries

The table below summarizes the Company’s firm commitments as of June 30, 2013, which primarily relate to the acquisition of aircraft and related spare engines that are considered firm deliveries (in thousands):

2014	$	569,640
2015	591,368
2016	9,972
	$	1,170,980