The US Department of Transportation is flexing its muscles against airlines who operate chronically late flights.

Yesterday, the United States and U.S. Department of Transportation (DOT) disclosed a lawsuit against Southwest Airlines, accusing the airline of chronically delayed flights and interrupting ...

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.

Southwest, however, allows passengers to cancel their tickets up to 10 minutes before departure. For Wanna Get Away and Wanna ...

The U.S. Department of Transportation has sued Southwest Airlines and fined Frontier Airlines for "chronically delayed flights," the agency announced Wednesday. The moves come after DOT fined JetBlue ...

Number seven, Hawaiian Airlines, number six jetblue number five United ... The Transportation Department is stepping up enforcement of persistent flight delays with a lawsuit against Southwest ...