Southwest Airlines could be preparing for expansion after filing a request with the US DOT to fly more international routes.

Over the rest of the year, all aircraft in Southwest’s fleet will be retrofitted to accommodate the new seats with up to 5 ...

If Southwest’s request to the DOT is approved, the expanded authority would give the carrier more flexibility to grow ...

Airline passengers have spoken, and they've named the airlines that provide the highest customer satisfaction ahead of the busy summer travel season.