LONG-TERM DEBT

Long-term debt obligations on the consolidated balance sheet (in millions):



	June 30, 2013			December 31, 2012
Fixed-rate notes payable due through 2024	$	746		$	844
Variable-rate notes payable due through 2023	178			188
Long-term debt	924			1,032
Less current portion	110			161
Total	$	814		$	871

Weighted-average fixed-interest rate	5.7		%	5.8		%
Weighted-average variable-interest rate	1.8		%	2.0		%

During the six months ended June 30, 2013, the Company made debt payments of $109 million.

At June 30, 2013, long-term debt principal payments for the next five years and thereafter are as follows (in millions):



	Total
Remainder of 2013	$	53
2014	117
2015	113
2016	111
2017	116
Thereafter	414
Total	$	924

Bank Lines of Credit

The Company has two $100 million credit facilities. Both facilities have variable interest rates based on LIBOR plus a specified margin. One of the $100 million facilities, which expires in August 2015, is secured by aircraft. The other $100 million facility, which expires in March 2017, is secured by certain accounts receivable, spare engines, spare parts and ground service equipment. The Company has no immediate plans to borrow using either of these facilities. These facilities have a requirement to maintain a minimum unrestricted cash and marketable securities balance of $500 million. The Company is in compliance with this covenant at June 30, 2013.