Frontier and Spirit Airlines will once again try to merge, only months after the Biden administration won a key antitrust ...

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

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

Despite pressure to cut costs and an activist investor campaign, Southwest reported a healthy profit for the fourth quarter.

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

Discount carrier says a merger would be a better path out of bankruptcy for Spirit, which has rebuffed the latest proposal.