Spirit Airlines could shut down overnight. Here's what travelers need to know

Spirit Airlines check-in Kiosks sit idle at Oakland International Airport on August 13, 2025 in Oakland, California. Justin Sullivan | Getty Images Spirit Airlines could shut down as early as 3 a.m. ET Saturday, according to people familiar with the matter. The carrier has failed to secure a financial lifeline to continue operating, though it hasn't commented on the potential shutdown or its plans. About 290 Spirit flights are scheduled for Saturday, according to aviation site Flightradar24. …