All airlines flying from Washington Dulles (IAD) to Denver (DEN).
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| FLIGHT SCHEDULE |
|---|
| Direct Flights: |
| Daily
08:15
Washington Dulles (IAD)
10:20
Denver (DEN) United Airlines UA 1424 Non-stop Airbus A321neo (32Q) 4:05 Effective 2026-03-29 through 2026-04-29 |
| Daily
08:15
Washington Dulles (IAD)
10:10
Denver (DEN) United Airlines UA 1424 Non-stop Boeing 757-300 (753) 3:55 Effective 2026-04-30 through 2026-05-20 |
| Daily
08:15
Washington Dulles (IAD)
10:10
Denver (DEN) United Airlines UA 1424 Non-stop Boeing 737-900 (739) 3:55 Effective from 2026-05-21 |
| Daily
12:40
Washington Dulles (IAD)
14:53
Denver (DEN) United Airlines UA 1587 Non-stop Airbus A321neo (32Q) 4:13 Valid until 2026-01-05 |
| Sun
12:40
Washington Dulles (IAD)
14:51
Denver (DEN) United Airlines UA 1587 Non-stop Boeing 737-900 (739) 4:11 Effective 2026-03-08 through 2026-03-22 |
| Daily
12:40
Washington Dulles (IAD)
14:46
Denver (DEN) United Airlines UA 1587 Non-stop Boeing 737-900 (739) 4:06 Effective 2026-03-29 through 2026-04-29 |
| Mon-Fri
12:45
Washington Dulles (IAD)
14:55
Denver (DEN) United Airlines UA 1587 Non-stop Boeing 757-200 (752) 4:10 Effective 2026-03-05 through 2026-03-13 |
| Sat
12:45
Washington Dulles (IAD)
14:58
Denver (DEN) United Airlines UA 1587 Non-stop Airbus A321neo (32Q) 4:13 Operates only on 2026-03-07 |
| Mon-Sat
12:45
Washington Dulles (IAD)
14:55
Denver (DEN) United Airlines UA 1587 Non-stop Boeing 757-200 (752) 4:10 Effective 2026-03-14 through 2026-03-28 |
| Daily
12:45
Washington Dulles (IAD)
14:43
Denver (DEN) United Airlines UA 1587 Non-stop Boeing 737-900 (739) 3:58 Effective from 2026-04-30 |
| Daily
09:47
Washington Dulles (IAD)
12:00
Denver (DEN) United Airlines UA 1865 Non-stop Airbus A321neo (32Q) 4:13 Effective 2026-03-05 through 2026-03-28 |
| Daily
09:55
Washington Dulles (IAD)
12:00
Denver (DEN) United Airlines UA 1865 Non-stop Airbus A321neo (32Q) 4:05 Effective 2026-03-29 through 2026-04-29 |
| Daily
10:22
Washington Dulles (IAD)
12:18
Denver (DEN) United Airlines UA 1865 Non-stop Airbus A321neo (32Q) 3:56 Effective 2026-04-30 through 2026-05-20 |
| Daily
10:22
Washington Dulles (IAD)
12:18
Denver (DEN) United Airlines UA 1865 Non-stop Boeing 737-900 (739) 3:56 Effective from 2026-05-21 |
| Wed
22:05
Washington Dulles (IAD)
00:13
Denver (DEN) United Airlines UA 2011 Non-stop Boeing 737-900 (739) 4:08 Operates only on 2026-05-20 The flight arrives 1 day after departure. |
| Sun
06:25
Washington Dulles (IAD)
08:00
Denver (DEN) Southwest Airlines WN 2038 Non-stop Boeing 737-800 (73H) 3:35 Effective 2026-08-09 through 2026-09-27 |
| Mon,Thu,Fri
06:35
Washington Dulles (IAD)
08:10
Denver (DEN) Southwest Airlines WN 2038 Non-stop Boeing 737-800 (73H) 3:35 Effective 2026-08-06 through 2026-09-28 |
| Tue,Wed
06:40
Washington Dulles (IAD)
08:15
Denver (DEN) Southwest Airlines WN 2038 Non-stop Boeing 737-800 (73H) 3:35 Effective 2026-08-04 through 2026-09-30 |
| Sat
06:45
Washington Dulles (IAD)
08:20
Denver (DEN) Southwest Airlines WN 2038 Non-stop Boeing 737-800 (73H) 3:35 Effective 2026-08-08 through 2026-09-26 |
| Daily
09:47
Washington Dulles (IAD)
12:00
Denver (DEN) United Airlines UA 2064 Non-stop Airbus A321neo (32Q) 4:13 Valid until 2026-01-05 |
| Tue
10:02
Washington Dulles (IAD)
12:14
Denver (DEN) United Airlines UA 2064 Non-stop Boeing 757-300 (753) 4:12 Operates only on 2026-01-06 |
| Daily
10:02
Washington Dulles (IAD)
12:15
Denver (DEN) United Airlines UA 2064 Non-stop Boeing 737-900 (739) 4:13 Effective 2026-01-07 through 2026-02-07 |
| Sun
10:02
Washington Dulles (IAD)
12:15
Denver (DEN) United Airlines UA 2064 Non-stop Boeing 737 MAX 9 (7M9) 4:13 Operates only on 2026-02-08 |
| Mon
10:02
Washington Dulles (IAD)
12:14
Denver (DEN) United Airlines UA 2064 Non-stop Boeing 757-300 (753) 4:12 Operates only on 2026-02-09 |
| Tue,Wed
10:02
Washington Dulles (IAD)
12:15
Denver (DEN) United Airlines UA 2064 Non-stop Boeing 737-900 (739) 4:13 Effective 2026-02-10 through 2026-02-11 |
| Wed-Sun
19:42
Washington Dulles (IAD)
21:47
Denver (DEN) United Airlines UA 2065 Non-stop Boeing 737 MAX 9 (7M9) 4:05 Effective 2026-02-12 through 2026-03-04 |
| Tue,Wed
17:45
Washington Dulles (IAD)
19:40
Denver (DEN) Southwest Airlines WN 2101 Non-stop Boeing 737-800 (73H) 3:55 Effective 2026-06-09 through 2026-07-29 |
| Mon,Thu,Fri,Sun
18:15
Washington Dulles (IAD)
20:10
Denver (DEN) Southwest Airlines WN 2101 Non-stop Boeing 737 MAX 8 (7M8) 3:55 Effective 2026-06-04 through 2026-08-03 |
| Daily
06:20
Washington Dulles (IAD)
08:22
Denver (DEN) United Airlines UA 2107 Non-stop Airbus A321neo (32Q) 4:02 Valid until 2026-01-05 |
| Daily
14:24
Washington Dulles (IAD)
16:37
Denver (DEN) United Airlines UA 2121 Non-stop Boeing 737-900 (739) 4:13 Valid until 2026-01-05 |
| Mon,Thu,Fri
16:45
Washington Dulles (IAD)
18:40
Denver (DEN) Southwest Airlines WN 2173 Non-stop Boeing 737-700 (Scimitar Winglets) 3:55 Effective 2026-03-05 through 2026-04-06 |
| Tue,Wed
16:45
Washington Dulles (IAD)
18:40
Denver (DEN) Southwest Airlines WN 2173 Non-stop Boeing 737 MAX 8 (7M8) 3:55 Effective 2026-03-10 through 2026-04-01 |
| Sat
18:05
Washington Dulles (IAD)
20:10
Denver (DEN) Southwest Airlines WN 2173 Non-stop Boeing 737 MAX 8 (7M8) 4:05 Effective 2026-03-07 through 2026-04-04 |
| Sun
18:10
Washington Dulles (IAD)
20:10
Denver (DEN) Southwest Airlines WN 2173 Non-stop Boeing 737-800 (73H) 4:00 Effective 2026-03-08 through 2026-04-05 |
| Daily
06:35
Washington Dulles (IAD)
08:24
Denver (DEN) United Airlines UA 2257 Non-stop Boeing 737-900 (739) 3:49 Effective 2026-05-21 through 2026-08-17 |
| Daily
08:20
Washington Dulles (IAD)
10:33
Denver (DEN) United Airlines UA 2357 Non-stop Airbus A321neo (32Q) 4:13 Effective 2026-03-05 through 2026-03-28 |
| Wed,Thu
07:40
Washington Dulles (IAD)
09:30
Denver (DEN) Southwest Airlines WN 2431 Non-stop Boeing 737-800 (73H) 3:50 Valid until 2026-01-01 |
| Sat
19:45
Washington Dulles (IAD)
21:35
Denver (DEN) Southwest Airlines WN 2431 Non-stop Boeing 737-800 (73H) 3:50 Valid until 2026-01-03 |
| Mon,Tue,Fri,Sun
19:50
Washington Dulles (IAD)
21:40
Denver (DEN) Southwest Airlines WN 2431 Non-stop Boeing 737-800 (73H) 3:50 Valid until 2026-01-04 |
| Mon
19:50
Washington Dulles (IAD)
21:40
Denver (DEN) Southwest Airlines WN 2431 Non-stop Boeing 737 MAX 8 (7M8) 3:50 Operates only on 2026-01-05 |
| Sat,Sun
05:50
Washington Dulles (IAD)
07:40
Denver (DEN) Southwest Airlines WN 2439 Non-stop Boeing 737 MAX 8 (7M8) 3:50 Effective 2026-04-11 through 2026-05-23 |
| Sat,Sun
05:50
Washington Dulles (IAD)
07:40
Denver (DEN) Southwest Airlines WN 2439 Non-stop Boeing 737 MAX 8 (7M8) 3:50 Effective 2026-05-30 through 2026-05-31 |
| Mon,Thu,Fri
05:55
Washington Dulles (IAD)
07:45
Denver (DEN) Southwest Airlines WN 2439 Non-stop Boeing 737 MAX 8 (7M8) 3:50 Effective 2026-04-09 through 2026-06-01 |
| Sun
06:10
Washington Dulles (IAD)
08:00
Denver (DEN) Southwest Airlines WN 2439 Non-stop Boeing 737 MAX 8 (7M8) 3:50 Operates only on 2026-05-24 |
| Tue,Wed
06:20
Washington Dulles (IAD)
08:10
Denver (DEN) Southwest Airlines WN 2439 Non-stop Boeing 737 MAX 8 (7M8) 3:50 Effective 2026-04-07 through 2026-06-03 |
| Tue,Wed
16:30
Washington Dulles (IAD)
18:30
Denver (DEN) Southwest Airlines WN 2440 Non-stop Boeing 737 MAX 8 (7M8) 4:00 Effective 2026-04-07 through 2026-06-03 |
| Sat
17:05
Washington Dulles (IAD)
19:05
Denver (DEN) Southwest Airlines WN 2440 Non-stop Boeing 737-800 (73H) 4:00 Effective 2026-04-11 through 2026-05-30 |
| Sun
17:50
Washington Dulles (IAD)
19:55
Denver (DEN) Southwest Airlines WN 2440 Non-stop Boeing 737-700 (Scimitar Winglets) 4:05 Operates only on 2026-05-24 |
| Mon,Thu,Fri
17:55
Washington Dulles (IAD)
20:00
Denver (DEN) Southwest Airlines WN 2440 Non-stop Boeing 737-800 (73H) 4:05 Effective 2026-04-09 through 2026-06-01 |
| Sun
18:05
Washington Dulles (IAD)
20:10
Denver (DEN) Southwest Airlines WN 2440 Non-stop Boeing 737-800 (73H) 4:05 Effective 2026-04-12 through 2026-05-17 |
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Parallax here IAD-DEN
- 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 3:35 and 4:21.
