Spirit Airlines aims to shed its low-cost reputation and reposition itself as a premium airline after experiencing several ...

Spirit and Frontier operate the same aircraft and their cabins are similarly configured with Frontier soon to add first-class seats.

Budget carrier Frontier Airlines is offering Southwest Rapid Rewards members the opportunity to unlock Frontier Miles Elite ...

Frontier, Spirit, and Southwest are all deploying new ... First-quarter earnings from American Airlines, Delta Air Lines, and United Airlines showed slowed growth and planned capacity cuts amid ...