United Airlines flights from Washington Dulles (IAD) to Denver (DEN).
| FLIGHT SCHEDULE |
|---|
| Non-Direct Flights: |
| Thu
08:35
Washington Dulles (IAD)
14:53
Denver (DEN) United Airlines UA 709 1-stop Boeing 737-800 (738) 8:18 Operates only on 2026-03-05 |
| Fri
08:35
Washington Dulles (IAD)
14:53
Denver (DEN) United Airlines UA 709 1-stop Boeing 737-900 (739) 8:18 Operates only on 2026-03-06 |
| Mon-Thu,Sun
08:35
Washington Dulles (IAD)
16:45
Denver (DEN) United Airlines UA 709 1-stop Boeing 737-800 (738) 10:10 Effective 2026-03-08 through 2026-03-26 |
| Fri
08:35
Washington Dulles (IAD)
16:45
Denver (DEN) United Airlines UA 709 1-stop Boeing 737-900 (739) 10:10 Effective 2026-03-13 through 2026-03-27 |
| Daily
08:35
Washington Dulles (IAD)
16:45
Denver (DEN) United Airlines UA 709 1-stop Boeing 737-800 (738) 10:10 Effective 2026-03-29 through 2026-04-29 |
| Sat
08:40
Washington Dulles (IAD)
14:53
Denver (DEN) United Airlines UA 709 1-stop Boeing 737-900 (739) 8:13 Operates only on 2026-03-07 |
| Sat
08:40
Washington Dulles (IAD)
16:45
Denver (DEN) United Airlines UA 709 1-stop Boeing 737-900 (739) 10:05 Effective 2026-03-14 through 2026-03-28 |
| Daily
08:45
Washington Dulles (IAD)
16:30
Denver (DEN) United Airlines UA 709 1-stop Boeing 737-900 (739) 9:45 Effective 2026-05-21 through 2026-10-24 |
| Daily
08:45
Washington Dulles (IAD)
16:50
Denver (DEN) United Airlines UA 709 1-stop Boeing 737-900 (739) 10:05 Effective from 2026-10-25 |
| Daily
08:50
Washington Dulles (IAD)
16:45
Denver (DEN) United Airlines UA 709 1-stop Boeing 737-800 (738) 9:55 Effective 2026-04-30 through 2026-05-20 |
| Mon-Thu,Sat
08:45
Washington Dulles (IAD)
16:10
Denver (DEN) United Airlines UA 1323 1-stop Boeing 737 MAX 9 (7M9) 9:25 Effective 2026-03-05 through 2026-03-12 |
| Fri
08:45
Washington Dulles (IAD)
16:10
Denver (DEN) United Airlines UA 1323 1-stop Boeing 737-900 (739) 9:25 Operates only on 2026-03-06 |
| Sun
08:45
Washington Dulles (IAD)
16:10
Denver (DEN) United Airlines UA 1323 1-stop Boeing 737-900 (739) 9:25 Effective 2026-03-08 through 2026-03-22 |
| Mon-Sat
08:45
Washington Dulles (IAD)
16:10
Denver (DEN) United Airlines UA 1323 1-stop Boeing 737 MAX 9 (7M9) 9:25 Effective 2026-03-13 through 2026-03-28 |
| Daily
08:45
Washington Dulles (IAD)
16:20
Denver (DEN) United Airlines UA 1323 1-stop Boeing 737-900 (739) 9:35 Effective 2026-03-29 through 2026-04-29 |
| Daily
08:45
Washington Dulles (IAD)
16:45
Denver (DEN) United Airlines UA 1323 1-stop Boeing 737 MAX 9 (7M9) 10:00 Effective 2026-04-30 through 2026-05-20 |
| Daily
08:45
Washington Dulles (IAD)
16:10
Denver (DEN) United Airlines UA 1323 1-stop Boeing 777 (777) 9:25 Effective 2026-05-21 through 2026-06-24 |
| Daily
08:45
Washington Dulles (IAD)
16:40
Denver (DEN) United Airlines UA 1323 1-stop Boeing 777 (777) 9:55 Effective from 2026-10-25 |
| Mon,Thu-Sun
06:00
Washington Dulles (IAD)
12:50
Denver (DEN) United Airlines UA 1409 1-stop Boeing 737 MAX 9 (7M9) 8:50 Effective 2026-03-05 through 2026-03-28 |
| Mon,Wed,Thu,Sun
08:15
Washington Dulles (IAD)
14:11
Denver (DEN) United Airlines UA 1485 1-stop Boeing 737-900 (739) 7:56 Effective 2026-03-05 through 2026-03-12 |
| Fri
08:15
Washington Dulles (IAD)
14:11
Denver (DEN) United Airlines UA 1485 1-stop Boeing 737 MAX 9 (7M9) 7:56 Effective 2026-03-06 through 2026-03-13 |
| Tue
08:15
Washington Dulles (IAD)
14:11
Denver (DEN) United Airlines UA 1485 1-stop Airbus A320 (320) 7:56 Effective 2026-03-10 through 2026-03-24 |
| Wed,Fri,Sun
08:15
Washington Dulles (IAD)
14:11
Denver (DEN) United Airlines UA 1485 1-stop Boeing 737 MAX 9 (7M9) 7:56 Effective 2026-03-15 through 2026-03-22 |
| Mon,Thu
08:15
Washington Dulles (IAD)
14:11
Denver (DEN) United Airlines UA 1485 1-stop Boeing 737-900 (739) 7:56 Effective 2026-03-16 through 2026-03-26 |
| Wed
08:15
Washington Dulles (IAD)
14:11
Denver (DEN) United Airlines UA 1485 1-stop Boeing 737-700 (73G) 7:56 Operates only on 2026-03-25 |
| Fri
08:15
Washington Dulles (IAD)
14:11
Denver (DEN) United Airlines UA 1485 1-stop Boeing 737 MAX 9 (7M9) 7:56 Operates only on 2026-03-27 |
| Daily
12:35
Washington Dulles (IAD)
18:00
Denver (DEN) United Airlines UA 1498 1-stop Boeing 737 MAX 8 (7M8) 7:25 Effective from 2026-10-25 |
| Daily
12:35
Washington Dulles (IAD)
21:17
Denver (DEN) United Airlines UA 1637 1-stop Boeing 737-900 (739) 10:42 Effective from 2026-10-25 |
| Mon,Thu,Fri,Sun
08:15
Washington Dulles (IAD)
14:49
Denver (DEN) United Airlines UA 1789 1-stop Boeing 737-700 (73G) 8:34 Effective 2026-01-08 through 2026-01-16 |
| Mon,Thu,Fri,Sun
08:15
Washington Dulles (IAD)
14:49
Denver (DEN) United Airlines UA 1789 1-stop Boeing 737-700 (73G) 8:34 Effective 2026-01-19 through 2026-02-09 |
| Mon,Wed-Fri
08:15
Washington Dulles (IAD)
14:43
Denver (DEN) United Airlines UA 1789 1-stop Boeing 737 MAX 9 (7M9) 8:28 Effective 2026-03-05 through 2026-03-12 |
| Tue,Fri,Sun
08:15
Washington Dulles (IAD)
14:43
Denver (DEN) United Airlines UA 1789 1-stop Boeing 737-900 (739) 8:28 Effective 2026-03-08 through 2026-03-27 |
| Mon,Thu
08:15
Washington Dulles (IAD)
14:43
Denver (DEN) United Airlines UA 1789 1-stop Boeing 737 MAX 9 (7M9) 8:28 Effective 2026-03-16 through 2026-03-23 |
| Wed
08:15
Washington Dulles (IAD)
14:43
Denver (DEN) United Airlines UA 1789 1-stop Boeing 737-700 (73G) 8:28 Operates only on 2026-03-18 |
| Wed,Thu
08:15
Washington Dulles (IAD)
14:43
Denver (DEN) United Airlines UA 1789 1-stop Boeing 737 MAX 9 (7M9) 8:28 Effective 2026-03-25 through 2026-03-26 |
| Daily
08:15
Washington Dulles (IAD)
14:42
Denver (DEN) United Airlines UA 1789 1-stop Boeing 737 MAX 9 (7M9) 8:27 Effective 2026-03-29 through 2026-04-29 |
| Daily
08:15
Washington Dulles (IAD)
14:46
Denver (DEN) United Airlines UA 1789 1-stop Boeing 737 MAX 9 (7M9) 8:31 Effective 2026-04-30 through 2026-05-20 |
| Thu
08:22
Washington Dulles (IAD)
14:39
Denver (DEN) United Airlines UA 1789 1-stop Boeing 737 MAX 8 (7M8) 8:17 Valid until 2026-01-01 |
| Mon-Wed,Fri,Sun
08:22
Washington Dulles (IAD)
14:39
Denver (DEN) United Airlines UA 1789 1-stop Boeing 737-800 (738) 8:17 Valid until 2026-01-05 |
| Daily
08:25
Washington Dulles (IAD)
14:58
Denver (DEN) United Airlines UA 1789 1-stop Boeing 737-800 (738) 8:33 Effective 2026-05-21 through 2026-10-24 |
| Daily
08:25
Washington Dulles (IAD)
14:51
Denver (DEN) United Airlines UA 1789 1-stop Boeing 737-800 (738) 8:26 Effective from 2026-10-25 |
| Sat
08:15
Washington Dulles (IAD)
14:37
Denver (DEN) United Airlines UA 1999 1-stop Boeing 737 MAX 9 (7M9) 8:22 Operates only on 2026-02-21 |
| Mon,Tue,Thu,Fri
08:36
Washington Dulles (IAD)
14:37
Denver (DEN) United Airlines UA 1999 1-stop Boeing 737 MAX 9 (7M9) 8:01 Effective 2026-02-13 through 2026-02-27 |
| Sat
08:36
Washington Dulles (IAD)
14:37
Denver (DEN) United Airlines UA 1999 1-stop Boeing 737-900 (739) 8:01 Operates only on 2026-02-14 |
| Sun
08:36
Washington Dulles (IAD)
14:37
Denver (DEN) United Airlines UA 1999 1-stop Boeing 737-900 (739) 8:01 Effective 2026-02-15 through 2026-03-01 |
| Wed
08:36
Washington Dulles (IAD)
14:37
Denver (DEN) United Airlines UA 1999 1-stop Airbus A319 (319) 8:01 Operates only on 2026-02-18 |
| Wed
08:36
Washington Dulles (IAD)
14:37
Denver (DEN) United Airlines UA 1999 1-stop Boeing 737 MAX 8 (7M8) 8:01 Effective 2026-02-25 through 2026-03-04 |
| Mon,Tue,Sat
08:36
Washington Dulles (IAD)
14:37
Denver (DEN) United Airlines UA 1999 1-stop Boeing 737 MAX 9 (7M9) 8:01 Effective 2026-02-28 through 2026-03-03 |
| Thu
08:40
Washington Dulles (IAD)
14:37
Denver (DEN) United Airlines UA 1999 1-stop Boeing 767-400 (764) 7:57 Operates only on 2026-02-12 |
| Mon,Tue,Thu-Sun
17:12
Washington Dulles (IAD)
23:07
Denver (DEN) United Airlines UA 2463 1-stop Boeing 737 MAX 9 (7M9) 7:55 Valid until 2026-01-04 |
- A domestic route departing from the Washington Dulles airport (IAD) and arriving at Denver airport (DEN).
- The flight distance is 1448 miles, or 2331 km.
- The timezone of the departure airport is UTC-5 , and the timezone of the arrival airport is UTC-7 . 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 3:45 and 4:21.
