Check United Airlines UA421 Flight Schedule
Stay Updated on your United Airlines UA421 flight status updates here
2h 34m
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Today’s Flight
| Date | Departure | Arrival | Duration | Aircraft |
|---|---|---|---|---|
Wednesday 25 March 2026 | 17:25 Denver International Airport | 21:59 Louisville International Airport | 2h 34m | Airbus Industrie A318/319/320/321 |
Upcoming Flight
| Date | Departure | Arrival | Duration | Aircraft |
|---|---|---|---|---|
Thursday 26 March 2026 | 17:25 Denver International Airport | 21:59 Louisville International Airport | 2h 34m | - |
Sunday 29 March 2026 | 11:10 John Wayne Airport | 14:34 Denver International Airport | 2h 24m | - |
Friday 3 April 2026 | 11:10 John Wayne Airport | 14:34 Denver International Airport | 2h 24m | - |
Saturday 4 April 2026 | 11:10 John Wayne Airport | 14:34 Denver International Airport | 2h 24m | - |