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

Southwest Airlines will start charging for checked bags on May 28. See how fees compare to other airlines and who still qualifies for free bags.

This year, all three airlines raised their first checked bag fee from $30 to $35 for domestic flights. Frontier and Spirit, on the other hand, use "dynamic" pricing to set their fees for carry-on ...

In 2007, Spirit Airlines became the first U.S. airline ... it seems that once again greed has been rewarded. Within hours of the bag fee announcement, LUV’s stock went up 8%.