United Airlines flights from Denver (DEN) to Washington Dulles (IAD).
| FLIGHT SCHEDULE |
|---|
| Direct Flights: |
| Mon,Tue,Thu-Sun
11:15
Denver (DEN)
16:35
Washington Dulles (IAD) United Airlines UA 237 Non-stop Boeing 737-900 (739) 3:20 Effective 2026-01-06 through 2026-02-10 |
| Wed
11:17
Denver (DEN)
16:35
Washington Dulles (IAD) United Airlines UA 237 Non-stop Boeing 737 MAX 9 (7M9) 3:18 Effective 2026-01-07 through 2026-02-11 |
| Daily
10:20
Denver (DEN)
15:44
Washington Dulles (IAD) United Airlines UA 326 Non-stop Boeing 737-900 (739) 3:24 Effective 2026-03-05 through 2026-03-28 |
| Daily
13:25
Denver (DEN)
18:57
Washington Dulles (IAD) United Airlines UA 347 Non-stop Airbus A321neo (32Q) 3:32 Effective 2026-03-29 through 2026-04-29 |
| Daily
13:26
Denver (DEN)
18:47
Washington Dulles (IAD) United Airlines UA 347 Non-stop Airbus A321neo (32Q) 3:21 Effective 2026-03-05 through 2026-03-28 |
| Daily
13:30
Denver (DEN)
18:50
Washington Dulles (IAD) United Airlines UA 347 Non-stop Boeing 737-900 (739) 3:20 Valid until 2026-01-05 |
| Daily
13:45
Denver (DEN)
19:05
Washington Dulles (IAD) United Airlines UA 347 Non-stop Airbus A321neo (32Q) 3:20 Effective 2026-04-30 through 2026-05-20 |
| Daily
13:45
Denver (DEN)
19:05
Washington Dulles (IAD) United Airlines UA 347 Non-stop Boeing 737-900 (739) 3:20 Effective from 2026-05-21 |
| Daily
14:02
Denver (DEN)
19:21
Washington Dulles (IAD) United Airlines UA 347 Non-stop Boeing 757-300 (753) 3:19 Effective 2026-01-06 through 2026-02-11 |
| Daily
14:04
Denver (DEN)
19:24
Washington Dulles (IAD) United Airlines UA 347 Non-stop Boeing 757-300 (753) 3:20 Effective 2026-02-12 through 2026-03-04 |
| Daily
07:45
Denver (DEN)
13:05
Washington Dulles (IAD) United Airlines UA 351 Non-stop Boeing 737-900 (739) 3:20 Effective 2026-02-12 through 2026-03-04 |
| Daily
11:20
Denver (DEN)
16:39
Washington Dulles (IAD) United Airlines UA 507 Non-stop Boeing 737 MAX 9 (7M9) 3:19 Valid until 2026-01-05 |
| Mon,Tue,Thu-Sat
11:20
Denver (DEN)
16:37
Washington Dulles (IAD) United Airlines UA 687 Non-stop Boeing 737 MAX 9 (7M9) 3:17 Effective 2026-02-12 through 2026-02-21 |
| Daily
11:20
Denver (DEN)
16:37
Washington Dulles (IAD) United Airlines UA 687 Non-stop Boeing 737 MAX 9 (7M9) 3:17 Effective 2026-02-22 through 2026-03-04 |
| Daily
11:22
Denver (DEN)
16:40
Washington Dulles (IAD) United Airlines UA 687 Non-stop Boeing 737 MAX 9 (7M9) 3:18 Effective 2026-03-05 through 2026-03-28 |
| Wed,Sun
11:25
Denver (DEN)
16:42
Washington Dulles (IAD) United Airlines UA 687 Non-stop Boeing 737 MAX 9 (7M9) 3:17 Effective 2026-02-15 through 2026-02-18 |
| Mon,Wed-Sat
15:36
Denver (DEN)
20:53
Washington Dulles (IAD) United Airlines UA 798 Non-stop Boeing 737-900 (739) 3:17 Effective 2026-02-12 through 2026-03-04 |
| Sun
15:36
Denver (DEN)
20:53
Washington Dulles (IAD) United Airlines UA 798 Non-stop Boeing 737 MAX 9 (7M9) 3:17 Effective 2026-02-15 through 2026-03-01 |
| Tue
15:36
Denver (DEN)
20:55
Washington Dulles (IAD) United Airlines UA 798 Non-stop Airbus A321neo (32Q) 3:19 Effective 2026-02-17 through 2026-03-03 |
| Mon,Tue,Thu,Sat,Sun
15:47
Denver (DEN)
21:07
Washington Dulles (IAD) United Airlines UA 798 Non-stop Boeing 737-900 (739) 3:20 Effective 2026-01-06 through 2026-02-08 |
| Fri
15:47
Denver (DEN)
21:08
Washington Dulles (IAD) United Airlines UA 798 Non-stop Airbus A321neo (32Q) 3:21 Effective 2026-01-09 through 2026-02-06 |
| Mon
15:47
Denver (DEN)
21:08
Washington Dulles (IAD) United Airlines UA 798 Non-stop Airbus A321neo (32Q) 3:21 Operates only on 2026-02-09 |
| Tue
15:47
Denver (DEN)
21:07
Washington Dulles (IAD) United Airlines UA 798 Non-stop Boeing 737-900 (739) 3:20 Operates only on 2026-02-10 |
| Wed
15:51
Denver (DEN)
21:11
Washington Dulles (IAD) United Airlines UA 798 Non-stop Boeing 737-900 (739) 3:20 Effective 2026-01-07 through 2026-02-04 |
| Daily
15:51
Denver (DEN)
21:21
Washington Dulles (IAD) United Airlines UA 798 Non-stop Airbus A321neo (32Q) 3:30 Effective 2026-03-29 through 2026-04-29 |
| Daily
15:55
Denver (DEN)
21:10
Washington Dulles (IAD) United Airlines UA 798 Non-stop Boeing 757-300 (753) 3:15 Effective 2026-04-30 through 2026-05-20 |
| Daily
15:55
Denver (DEN)
21:10
Washington Dulles (IAD) United Airlines UA 798 Non-stop Boeing 737-900 (739) 3:15 Effective from 2026-05-21 |
| Wed
15:59
Denver (DEN)
21:19
Washington Dulles (IAD) United Airlines UA 798 Non-stop Boeing 737-900 (739) 3:20 Operates only on 2026-02-11 |
| Mon-Fri
16:00
Denver (DEN)
21:18
Washington Dulles (IAD) United Airlines UA 798 Non-stop Airbus A321neo (32Q) 3:18 Effective 2026-03-05 through 2026-03-13 |
| Sun
16:00
Denver (DEN)
21:16
Washington Dulles (IAD) United Airlines UA 798 Non-stop Boeing 737-900 (739) 3:16 Effective 2026-03-08 through 2026-03-22 |
| Mon-Sat
16:00
Denver (DEN)
21:18
Washington Dulles (IAD) United Airlines UA 798 Non-stop Airbus A321neo (32Q) 3:18 Effective 2026-03-14 through 2026-03-27 |
| Sat
16:00
Denver (DEN)
21:16
Washington Dulles (IAD) United Airlines UA 798 Non-stop Boeing 737 MAX 9 (7M9) 3:16 Operates only on 2026-03-28 |
| Daily
16:05
Denver (DEN)
21:25
Washington Dulles (IAD) United Airlines UA 798 Non-stop Airbus A321neo (32Q) 3:20 Valid until 2026-01-05 |
| Sat
16:10
Denver (DEN)
21:28
Washington Dulles (IAD) United Airlines UA 798 Non-stop Airbus A321neo (32Q) 3:18 Operates only on 2026-03-07 |
| Tue,Sat
07:45
Denver (DEN)
13:12
Washington Dulles (IAD) United Airlines UA 1101 Non-stop Airbus A321neo (32Q) 3:27 Effective 2026-01-06 through 2026-01-10 |
| Sat
07:45
Denver (DEN)
13:12
Washington Dulles (IAD) United Airlines UA 1101 Non-stop Airbus A321neo (32Q) 3:27 Effective 2026-01-17 through 2026-02-07 |
| Mon-Thu
07:45
Denver (DEN)
13:05
Washington Dulles (IAD) United Airlines UA 1101 Non-stop Boeing 737-900 (739) 3:20 Effective 2026-03-05 through 2026-03-26 |
| Fri,Sat
07:45
Denver (DEN)
13:05
Washington Dulles (IAD) United Airlines UA 1101 Non-stop Boeing 737 MAX 9 (7M9) 3:20 Effective 2026-03-06 through 2026-03-28 |
| Sun
07:45
Denver (DEN)
13:07
Washington Dulles (IAD) United Airlines UA 1101 Non-stop Airbus A321neo (32Q) 3:22 Effective 2026-03-15 through 2026-03-22 |
| Daily
07:45
Denver (DEN)
13:14
Washington Dulles (IAD) United Airlines UA 1101 Non-stop Boeing 737-900 (739) 3:29 Effective 2026-03-29 through 2026-04-29 |
| Daily
07:50
Denver (DEN)
13:16
Washington Dulles (IAD) United Airlines UA 1101 Non-stop Boeing 737-900 (739) 3:26 Valid until 2026-01-05 |
| Mon-Fri,Sun
07:50
Denver (DEN)
13:17
Washington Dulles (IAD) United Airlines UA 1101 Non-stop Boeing 737-900 (739) 3:27 Effective 2026-01-07 through 2026-02-03 |
| Wed
07:50
Denver (DEN)
13:19
Washington Dulles (IAD) United Airlines UA 1101 Non-stop Airbus A321neo (32Q) 3:29 Operates only on 2026-02-04 |
| Mon-Fri,Sun
07:50
Denver (DEN)
13:17
Washington Dulles (IAD) United Airlines UA 1101 Non-stop Boeing 737-900 (739) 3:27 Effective 2026-02-05 through 2026-02-11 |
| Sun
07:52
Denver (DEN)
13:14
Washington Dulles (IAD) United Airlines UA 1101 Non-stop Airbus A321neo (32Q) 3:22 Operates only on 2026-03-08 |
| Daily
08:10
Denver (DEN)
13:27
Washington Dulles (IAD) United Airlines UA 1101 Non-stop Airbus A321neo (32Q) 3:17 Effective 2026-04-30 through 2026-05-20 |
| Daily
08:10
Denver (DEN)
13:27
Washington Dulles (IAD) United Airlines UA 1101 Non-stop Boeing 737-900 (739) 3:17 Effective from 2026-05-21 |
| Daily
06:00
Denver (DEN)
11:24
Washington Dulles (IAD) United Airlines UA 1279 Non-stop Airbus A321neo (32Q) 3:24 Valid until 2026-01-05 |
| Mon,Thu-Sun
06:00
Denver (DEN)
11:20
Washington Dulles (IAD) United Airlines UA 1279 Non-stop Boeing 737 MAX 9 (7M9) 3:20 Effective 2026-02-12 through 2026-03-02 |
| Daily
06:00
Denver (DEN)
11:29
Washington Dulles (IAD) United Airlines UA 1279 Non-stop Boeing 737-900 (739) 3:29 Effective 2026-03-29 through 2026-04-29 |
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- A domestic route departing from the Denver airport (DEN) and arriving at Washington Dulles airport (IAD).
- The flight distance is 1448 miles, or 2331 km.
- The timezone of the departure airport is UTC-7 , and the timezone of the arrival airport is UTC-5 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
- For direct flights, the flight time varies between 3:14 and 3:35.
