FILE - In this Saturday, April 6, 2013 file photo, a Delta Airlines jet flies past the company's billboard at Citi Field, in New York. Delta says Thursday, Feb. 16, 2017 that it will start serving meals to all passengers on 12 long-haul routes over the next several weeks. Airlines took away free sandwiches and similar fare after an industry downturn during the worldwide financial crisis.  (AP Photo/Mark Lennihan)
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