The U.S. Department of Transportation sued Southwest Airlines Wednesday, alleging it illegally operates flights that are ...

Yesterday, the United States and U.S. Department of Transportation (DOT) disclosed a lawsuit against Southwest Airlines, ...

Southwest is disappointed that DOT chose to file a lawsuit over two flights that occurred more than two years ago," a ...

The United States Department of Transportation (DOT) announced a lawsuit against Southwest Airlines and a fine against Frontier Airlines as part of a crackdown on how carriers handle flight delays.

The DOT defines a “chronically delayed” flight as one that is “flown at least 10 times a month and arrives more than 30 ...

Southwest pointed out to CNBC that since the chronically delayed flight policy was instituted by the DOT in 2009, the airline has flown more than 20 million times without violations. It's also ...

"Since DOT issued its Chronically Delayed Flight (CDF ... Last year, federal regulators increased their scrutiny of Southwest Airlines after a series of incidents, including flying at very low ...

The Transportation Department continues its battle against chronically delayed flights with new actions against Southwest, ...

Dallas-based Southwest Airlines is shifting about 270 pilots from key bases in Denver and Atlanta while bulking up its ...

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

Southwest Airlines was not initially available for comment, but told The Associated Press, "Since DOT issued its Chronically Delayed Flight (CDF) policy in 2009, Southwest has operated more than ...