For tickets purchased on or after May 28, Southwest customers in all but the top tier-fare class will have to pay to check bags, though there will be exceptions.

The airline has also changed the way it sells tickets. Traditionally it only sold them on Southwest’s website, but recently started selling them on Expedia to attract more customers.

Southwest Airlines is changing its long standing “Customer of Size” policy, requiring plus-size travelers to purchase an ...

Southwest is sunsetting another beloved perk. The airline on Tuesday said it will end its decades-old free bag check policy – another break from tradition as the company tries to ward off ...