Spirit Airlines announced it will cease operations after struggling for years and filing for bankruptcy twice since 2024. As of May 2, 2026, the airline is still operating flights but has publicly announced the wind-down. RESOLVES YES if, on or before 23:59 UTC July 31, 2026, Spirit Airlines (NK) has ceased ALL scheduled passenger flight operations, confirmed by either an official Spirit announcement, FAA filing, or major news source covering the final flight. RESOLVES NO if Spirit is still operating any scheduled passenger flights on July 31, 2026. A merger or acquisition that keeps flights operating under a different brand counts as NO. Limited wind-down operations on a reduced schedule count as still operating.