Southwest Airlines Suffers Widespread System Outage, Grounding Flights
Travelers reported being stuck at airports nationwide as a system failure prevented check-ins and payment processing.
Southwest Airlines experienced a significant system-wide outage on Friday, October 9, 2026, reportedly halting departures across the United States. The disruption began shortly after 8 a.m. ET, affecting the airline's ability to check in passengers and process payments, including for baggage.
Outage-tracking website Downdetector registered a surge in issues reported by customers. Social media posts from passengers in various cities indicated they were stranded at airport terminals, unable to board or depart.
One traveler in Denver reported that Southwest gate staff announced a system-wide outage, leading to all aircraft not currently in the air being grounded nationwide. Other passengers described sitting in terminals, awaiting the system's restoration.
