Spirit Airlines filed for Chapter 11 again, but says it's not planning to stop selling tickets or to cancel flights.

The budget airline emerged from bankruptcy in March to softer U.S. domestic fares and high costs that remained after its ...

Long lines and short tempers could be found Monday morning at the Spirit Airlines check-in desk at Philadelphia International Airport.

Airlines at Florida airports are adding routes and services. Multiple airlines, including American Airlines and Spirit, are adjusting their flight offerings and introducing new services at Miami ...