United Airlines wanted to put lie-flat premium seats on its Max 10 planes once they were certified, but that has been delayed by years.

Southwest Airlines has spent much of the last two years trying to convince investors that it can evolve beyond the low-cost formula that made it successful for decades. Assigned seating, extra-legroom ...

United Airlines is betting that travelers want more comfort when they fly and are willing to pay for it. This week, the Chicago-based carrier announced plans to take delivery of more than 250 new ...