Spirit is officially abandoning its traditional bare-bones fare structure and replacing it with four new segmented fare products as part of an overhauled passenger experience and effort to reverse ...

The biggest U.S. airlines have snagged some of Spirit’s budget-conscious customers by offering their own brand of bare-bones tickets. And fares for U.S. leisure travel — Spirit’s core ...

Spirit received a $350 million equity infusion from existing investors, according to a statement . The funds will be used to support new initiatives that diverge from its bare-bones fare model and ...

Spirit last month rejected a $2.16 billion bid from Frontier Group, which has made multiple attempts to merge with it, saying the offer was less beneficial to shareholders than its restructuring plan.