Spirit Airlines announced a plan to install extra legroom seats on all its planes and updates to its frequent flyer program.

Spirit Airlines is an ultra-low-cost airline based ... "Integrating the latest engine generation and Sharklet wingtip devices, the A321neo delivers 20% less fuel burn and CO2 emissions* while ...

Spirit Airlines announced it will offer new premium options for its travelers, including an extra-legroom seating option and ...