Flight‑attendant sickouts force mass cancellations at JetBlue, Spirit and Frontier; Spirit an operational outlier
Flight‑attendant sickouts at JetBlue, Spirit and Frontier have forced mass cancellations and widespread schedule disruption, straining operations and passenger rebooking across multiple U.S. networks. Spirit in particular is facing a deeper reliability crisis — widespread cancellations and scheduling failures make it an operational outlier among carriers.