A Delta Air Lines jet, right, sits parked at Los Angeles International Airport, Tuesday, Jan. 13, 2015. The Atlanta-based carrier posted a $712 million loss for the fourth quarter. (AP Photo/Nick Ut)
A Delta Air Lines jet, right, sits parked at Los Angeles International Airport, Tuesday, Jan. 13, 2015. The Atlanta-based carrier posted a $712 million loss for the fourth quarter. (AP Photo/Nick Ut) Nick Ut AP
A Delta Air Lines jet, right, sits parked at Los Angeles International Airport, Tuesday, Jan. 13, 2015. The Atlanta-based carrier posted a $712 million loss for the fourth quarter. (AP Photo/Nick Ut) Nick Ut AP