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

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

Dallas-based Southwest Airlines is requesting a permit from the U.S. Department of Transportation that could expand the ...

The Dallas-based airline, known for its historically no-frills approach, is seeking authorization to fly to any nation with which the US maintains Open Skies agreements.

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