If approved, Southwest could massively expand abroad without needing to request regulatory approval for each new route.

Southwest Airlines stock jumped 3% after announcing ambitious plans to vastly expand its global presence. The airline seeks ...

Southwest Airlines on Tuesday filed with U.S. regulators asking for a permit to fly more international routes, including ...

Southwest Airlines is hinting at an upcoming international expansion. The carrier has asked the Department of Transportation ...

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.

Southwest Airlines Co. has filed with the US Transportation Department for authority to fly to any country with which the US ...