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

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

Spirit Airlines has rejected yet another takeover offer from discounter Frontier Airlines of Denver, but told its persistent suitor that it would listen to a sweetened proposal. Both airlines on ...

Denver-based Frontier Airlines says it’s ready to keep talking after bankrupt Spirit Airlines rejected its offer to merge.