New rule changes are going into effect at United and Southwest airlines as we head into the busy summer travel season. Here's what to know.

Southwest Airlines was experiencing system delays at Harry Reid International Airport Tuesday resulting in long lines and delays for those traveling in and out of Las Vegas.

Southwest Airlines announced Tuesday that it is launching its own in-house vacations package product as part of a slew of ...

Southwest Airlines said it will charge for checked bags for the first time in its more than half-century of flying.