(Bloomberg) -- JetBlue Airways Corp. and Spirit Airlines Inc. asked a federal court to fast-track its appeal of a ruling that blocked their proposed $3.8 billion combination on antitrust grounds.

Spirit Airlines has rejected yet another takeover bid by discount carrier Frontier Airlines of Denver, saying its debtholders ...

‍ DALLAS — Frontier Airlines (F9) wants to revive Spirit Airlines (NK), releasing another offer to merge with the ultra-low-cost carrier (ULCC) to establish a much stronger low-cost offering in the US ...