Check United Airlines UA421 Flight Schedule
Stay Updated on your United Airlines UA421 flight status updates here
2h 26m
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Today’s Flight
| Date | Departure | Arrival | Duration | Aircraft |
|---|---|---|---|---|
Wednesday 24 December 2025 | 18:49 Denver International Airport | 22:15 General Mitchell International Airport | 2h 26m | - |
Wednesday 24 December 2025 | 18:49 Denver International Airport | 06:22 +1d O'Hare International Airport | 10h 33m | - |
Wednesday 24 December 2025 | 18:49 Denver International Airport | 07:58 +1d O'Hare International Airport | 12h 9m | - |
Wednesday 24 December 2025 | 18:49 Denver International Airport | 08:30 +1d O'Hare International Airport | 12h 41m | - |
Upcoming Flight
| Date | Departure | Arrival | Duration | Aircraft |
|---|---|---|---|---|
Thursday 25 December 2025 | 16:25 Salt Lake City International Airport | 23:35 Dallas Fort Worth International Airport | 6h 10m | - |
Thursday 25 December 2025 | 16:25 Salt Lake City International Airport | 17:57 Denver International Airport | 1h 32m | - |
Thursday 25 December 2025 | 18:49 Denver International Airport | 06:22 +1d O'Hare International Airport | 10h 33m | - |
Thursday 25 December 2025 | 18:49 Denver International Airport | 08:30 +1d O'Hare International Airport | 12h 41m | - |
Thursday 25 December 2025 | 18:49 Denver International Airport | 13:15 +1d O'Hare International Airport | 17h 26m | - |