Frontier Airlines

FoundedFebruary 8, 1994 (1994-02-08)July 5, 1994 (1994-07-05)AOC #F3LA008YFrontier MilesFleet size174Destinations123Parent companyIndigo Partners (78%)Traded asNasdaq: ULCCHeadquartersDenver, Colorado, U.S.Key peopleFoundersRevenueUS$3.724 billion (2025)Operating incomeUS$(149) million (2025)Net incomeUS$(137) million (2025)Total assetsUS$958 million (2025)Total equityUS$491 million (2025)Employees 7,656 (2025)Websiteflyfrontier.comNotes

Frontier Airlines, Inc., is an American ultra-low-cost airline headquartered in Denver, Colorado. It operates flights to over 120 destinations in the United States, the Caribbean, Mexico and Central America, and employs more than 5,000 staff. The carrier is a publicly traded company and maintains operating bases in 13 cities across the contiguous United States and Puerto Rico.