The Texas-based carrier is adding baggage fees and attempting a turnaround just as the industry appears headed for a slump.

The ratings agency put the airline on “negative” outlook, saying the company could become less financially conservative.

Last week, Southwest Airlines announced an end to its long-time policy of two-free checked bags. Frontier officials say customer response will help determine if its free service will become permanent.

But Southwest has changed its tune. First-class seats are getting so fancy they’re holding up new airplanes Trump is ‘not happy’ with Boeing over Air Force One delays, but airlines are ...

Southwest Airlines said Tuesday it will charge for checked bags for the first time in its more than ... Southwest customers in all but the top-tier fare class will have to pay to check bags ...