Spirit Airlines, the Florida-based budget airline, is changing its travel options to emphasize they have premium seating, too. Here's what to know.

Spirit Airlines, the Florida-based budget airline, is changing its travel options to emphasize they have premium seating, too. Here's what to know.

Spirit has been in the news for less pleasant things recently, with a plane evacuated in Detroit over a bomb threat and a viral video in May showing cockroaches on a flight.The airline recently ...