Overview
- United’s planned outage runs Wednesday from 1:30–5:00 a.m. CST (2:30–6:00 a.m. EST), during which many web and app functions are unavailable.
- Customers cannot book or cancel flights, check in, retrieve itineraries, view schedules, select seats, or access boarding passes, and employees lose access too.
- Flights continue to operate and airport check-in remains available, though passengers should expect longer waits at counters during the window.
- United removed all departures during the affected hours and previously canceled roughly 600 flights to accommodate the migration.
- The airline says it rehearsed the data transfer and expects minimal disruption, advising travelers to check in early and download or print boarding passes.