The Department of Transportation alleges Southwest Airlines was “illegally operating multiple chronically delayed flights.” ...

Southwest Airline Co. (NYSE:LUV) turned lower in premarket action on Thursday as investors digested the lawsuit filed by the ...

The US Department of Transportation has filed a lawsuit against Southwest and imposed a fine on Frontier for operating ...

Southwest Airlines (NYSE: LUV) stock fell 2.5% after the US Transportation Department sued the carrier, accusing it of ...