Check United Airlines UA421 (AUL) Flight Schedule
Stay Updated on your United Airlines UA421 (AUL) flight status updates here
3h 31m
About United Airlines UA421 (AUL)
UA421 (AUL) is a scheduled service operated by United Airlines, connecting - with an average flight time of 3h 31m. It departs from Denver International Airport (DEN) and arrives at Dulles International Airport (IAD) . Browse real-time schedules, compare fares, and book your seat — all in one place on Airpaz.
Today’s Flight
| Date | Departure | Arrival | Duration | Aircraft |
|---|---|---|---|---|
Wednesday 24 June 2026 | 15:40 Denver International Airport | 21:11 Dulles International Airport | 3h 31m | Boeing 737-700 |
Upcoming Flight
| Date | Departure | Arrival | Duration | Aircraft |
|---|---|---|---|---|
Thursday 25 June 2026 | 15:40 Denver International Airport | 21:11 Dulles International Airport | 3h 31m | Airbus Industrie A318/319/320/321 |
Thursday 2 July 2026 | 15:40 Denver International Airport | 14:25 +1d Murtala Muhammed International Airport | 15h 45m | Airbus A321neo |
Thursday 2 July 2026 | 15:40 Denver International Airport | 23:44 Ithaca Tompkins International Airport | 6h 4m | Airbus A321neo |
Friday 3 July 2026 | 15:40 Denver International Airport | 23:54 Ottawa International Airport | 6h 14m | Airbus A321neo |
Saturday 4 July 2026 | 15:40 Denver International Airport | 23:54 Ottawa International Airport | 6h 14m | Airbus A321neo |
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