Check United Airlines UA421 (UAL) Flight Schedule
Stay Updated on your United Airlines UA421 (UAL) flight status updates here
3h 28m
About United Airlines UA421 (UAL)
UA421 (UAL) is a scheduled service operated by United Airlines, connecting Washington - Chicago with an average flight time of 3h 28m. 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.
Last Updated on
Flight Information United Airlines UA421 (UAL)
Lowest Fare Month
Dec
Total Destinations
1
Today’s Flight
| Date | Departure | Arrival | Duration | Aircraft |
|---|---|---|---|---|
Friday 11 September 2026 | 15:40 Denver International Airport | 21:08 Dulles International Airport | 3h 28m | - |
Friday 11 September 2026 | 22:27 Dulles International Airport | 23:40 O'Hare International Airport | 2h 13m | - |
Upcoming Flight
| Date | Departure | Arrival | Duration | Aircraft |
|---|---|---|---|---|
Saturday 12 September 2026 | 15:40 Denver International Airport | 21:08 Dulles International Airport | 3h 28m | - |
Saturday 12 September 2026 | 22:27 Dulles International Airport | 23:40 O'Hare International Airport | 2h 13m | - |
Sunday 13 September 2026 | 15:40 Denver International Airport | 21:08 Dulles International Airport | 3h 28m | - |
Sunday 13 September 2026 | 22:27 Dulles International Airport | 23:40 O'Hare International Airport | 2h 13m | - |
Monday 14 September 2026 | 15:40 Denver International Airport | 21:08 Dulles International Airport | 3h 28m | - |
Popular Route from Washington
Popular Route to Chicago
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