Frontier Airlines joins the trend and also adds a $2 charge for coffee or soda.
Looking ahead, the airliner anticipates to continue to improve its profits through lower capacity, interest payments and debt.
Travel spending is up, and a few select plays in some related sectors stand to benefit most.
Consultant John Thomas' idea is credited with saving the airlines, but he flies on a private plane.
Lawmakers from both parties agree to more funding for the FAA to relieve sequester-prompted furloughs of air traffic controllers.
The carrier's new 'seat-to-seat delivery' lets passengers buy each other drinks and snacks.
Air traffic controllers will see furlough days as the FAA absorbs $637 million in budget cuts.
Tech expert finds opportunity in rails and airlines.
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