Yesterday, the United States and U.S. Department of Transportation (DOT ... In addition, the DOT levied a fine against Frontier Airlines, which was also for chronically delayed flights.

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.

Frontier Airlines is attempting for a second time to merge with the now bankrupt Spirit Airlines, which declared bankruptcy ...

Frontier shares lead the airline industry, up 29% YTD. None of its strategies are new to the airline industry. But under CEO ...

Spirit, which filed for bankruptcy protection last year, says it has rejected the new Frontier overture but would be open to a higher offer.

The Federal Aviation Administration announced that Frontier Airlines implemented a ground stop for all destinations, but lifted the order shortly thereafter.

The Denver-based low-cost carrier said its combination with the Dania Beach, Florida-based Spirit would create a stronger low ...

Budget carrier Frontier Airlines announced on Wednesday that it has made another bid for fellow discount carrier Spirit ...

Citing an illegal unrealistic scheduling practice, the United States Department of Justice and Department of Transportation ... enforcement action against Frontier Airlines, fining the air carrier ...

16 (UPI) --The U.S. Transportation Department is suing Southwest Airlines and has fined Frontier ... on all steel and aluminum imports to the United States. U.S. News // 1 hour ago Trump pardons ...

Frontier Airlines' attempt to buy fellow budget air carrier Spirit Airlines out of bankruptcy has hit turbulence.