All airlines flying from Washington Dulles (IAD) to Denver (DEN).
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| FLIGHT SCHEDULE |
|---|
| Direct Codeshare Flights: |
| Daily
12:45
Washington Dulles (IAD)
14:43
Denver (DEN) Copa Airlines CM 2864 Non-stop Boeing 737-900 (739) 3:58 Effective from 2026-04-30 Codeshare flight, operated by United Airlines.(UA 1587) |
| Sun
19:42
Washington Dulles (IAD)
21:47
Denver (DEN) ITA Airways AZ 4387 Non-stop Boeing 737 MAX 9 (7M9) 4:05 Operates only on 2026-03-01 Codeshare flight, operated by United Airlines.(UA 2065) |
| Thu,Sun
19:59
Washington Dulles (IAD)
22:06
Denver (DEN) ITA Airways AZ 4387 Non-stop Airbus A321neo (32Q) 4:07 Effective 2026-03-05 through 2026-03-26 Codeshare flight, operated by United Airlines.(UA 587) |
| Tue,Fri-Sun
20:00
Washington Dulles (IAD)
21:46
Denver (DEN) ITA Airways AZ 4387 Non-stop Airbus A321neo (32Q) 3:46 Effective 2026-05-01 through 2026-05-19 Codeshare flight, operated by United Airlines.(UA 2667) |
| Tue,Fri-Sun
20:00
Washington Dulles (IAD)
21:46
Denver (DEN) ITA Airways AZ 4387 Non-stop Boeing 757-300 (753) 3:46 Effective 2026-05-22 through 2026-05-31 Codeshare flight, operated by United Airlines.(UA 2667) |
| Daily
20:00
Washington Dulles (IAD)
21:46
Denver (DEN) ITA Airways AZ 4387 Non-stop Boeing 757-300 (753) 3:46 Effective 2026-06-01 through 2026-09-29 Codeshare flight, operated by United Airlines.(UA 2667) |
| Tue,Fri-Sun
20:00
Washington Dulles (IAD)
21:46
Denver (DEN) ITA Airways AZ 4387 Non-stop Boeing 757-300 (753) 3:46 Effective 2026-10-02 through 2026-10-24 Codeshare flight, operated by United Airlines.(UA 2667) |
| Tue,Fri-Sun
20:09
Washington Dulles (IAD)
22:12
Denver (DEN) ITA Airways AZ 4387 Non-stop Airbus A321neo (32Q) 4:03 Effective 2026-03-29 through 2026-04-28 Codeshare flight, operated by United Airlines.(UA 2667) |
| Tue,Fri-Sun
17:15
Washington Dulles (IAD)
19:23
Denver (DEN) ITA Airways AZ 4401 Non-stop Boeing 757-300 (753) 4:08 Effective 2026-05-01 through 2026-05-19 Codeshare flight, operated by United Airlines.(UA 599) |
| Tue,Fri-Sun
17:15
Washington Dulles (IAD)
19:01
Denver (DEN) ITA Airways AZ 4401 Non-stop Boeing 757-300 (753) 3:46 Effective 2026-05-22 through 2026-05-31 Codeshare flight, operated by United Airlines.(UA 599) |
| Daily
17:15
Washington Dulles (IAD)
19:01
Denver (DEN) ITA Airways AZ 4401 Non-stop Boeing 757-300 (753) 3:46 Effective 2026-06-01 through 2026-09-29 Codeshare flight, operated by United Airlines.(UA 599) |
| Tue,Fri-Sun
17:15
Washington Dulles (IAD)
19:01
Denver (DEN) ITA Airways AZ 4401 Non-stop Boeing 757-300 (753) 3:46 Effective 2026-10-02 through 2026-10-24 Codeshare flight, operated by United Airlines.(UA 599) |
| Tue,Sun
17:19
Washington Dulles (IAD)
19:40
Denver (DEN) ITA Airways AZ 4401 Non-stop Boeing 757-300 (753) 4:21 Effective 2026-03-01 through 2026-03-03 Codeshare flight, operated by United Airlines.(UA 2693) |
| Tue,Thu,Sun
17:19
Washington Dulles (IAD)
19:40
Denver (DEN) ITA Airways AZ 4401 Non-stop Boeing 737-900 (739) 4:21 Effective 2026-03-05 through 2026-03-26 Codeshare flight, operated by United Airlines.(UA 599) |
| Tue,Fri-Sun
17:19
Washington Dulles (IAD)
19:27
Denver (DEN) ITA Airways AZ 4401 Non-stop Boeing 757-300 (753) 4:08 Effective 2026-03-29 through 2026-04-28 Codeshare flight, operated by United Airlines.(UA 599) |
| Tue
17:15
Washington Dulles (IAD)
19:28
Denver (DEN) Lufthansa LH 7462 Non-stop Airbus A321neo (32Q) 4:13 Operates only on 2026-01-06 Codeshare flight, operated by United Airlines.(UA 599) |
| Daily
17:15
Washington Dulles (IAD)
19:26
Denver (DEN) Lufthansa LH 7462 Non-stop Boeing 737 MAX 9 (7M9) 4:11 Effective 2026-01-07 through 2026-02-10 Codeshare flight, operated by United Airlines.(UA 599) |
| Wed
17:15
Washington Dulles (IAD)
19:28
Denver (DEN) Lufthansa LH 7462 Non-stop Airbus A321neo (32Q) 4:13 Operates only on 2026-02-11 Codeshare flight, operated by United Airlines.(UA 599) |
| Daily
17:15
Washington Dulles (IAD)
19:23
Denver (DEN) Lufthansa LH 7462 Non-stop Boeing 757-300 (753) 4:08 Effective 2026-04-30 through 2026-05-20 Codeshare flight, operated by United Airlines.(UA 599) |
| Daily
17:15
Washington Dulles (IAD)
19:01
Denver (DEN) Lufthansa LH 7462 Non-stop Boeing 757-300 (753) 3:46 Effective 2026-05-21 through 2026-10-24 Codeshare flight, operated by United Airlines.(UA 599) |
| Daily
17:19
Washington Dulles (IAD)
19:40
Denver (DEN) Lufthansa LH 7462 Non-stop Boeing 757-300 (753) 4:21 Effective 2026-02-12 through 2026-03-04 Codeshare flight, operated by United Airlines.(UA 2693Z) |
| Thu-Sat
17:19
Washington Dulles (IAD)
19:40
Denver (DEN) Lufthansa LH 7462 Non-stop Boeing 737-900 (739) 4:21 Effective 2026-03-05 through 2026-03-07 Codeshare flight, operated by United Airlines.(UA 599) |
| Daily
17:19
Washington Dulles (IAD)
19:27
Denver (DEN) Lufthansa LH 7462 Non-stop Boeing 757-300 (753) 4:08 Effective 2026-03-29 through 2026-04-29 Codeshare flight, operated by United Airlines.(UA 599) |
| Daily
17:20
Washington Dulles (IAD)
19:28
Denver (DEN) Lufthansa LH 7462 Non-stop Boeing 777 (777) 4:08 Valid until 2026-01-05 Codeshare flight, operated by United Airlines.(UA 599) |
| Wed-Sun
19:59
Washington Dulles (IAD)
22:06
Denver (DEN) Lufthansa LH 7462 Non-stop Airbus A321neo (32Q) 4:07 Effective 2026-03-08 through 2026-03-28 Codeshare flight, operated by United Airlines.(UA 587) |
| Daily
22:05
Washington Dulles (IAD)
00:13
Denver (DEN) Lufthansa LH 7518 Non-stop Boeing 737-900 (739) 4:08 Effective 2026-04-30 through 2026-05-20 Codeshare flight, operated by United Airlines.(UA 495) The flight arrives 1 day after departure. |
| Daily
22:05
Washington Dulles (IAD)
23:50
Denver (DEN) Lufthansa LH 7518 Non-stop Boeing 737-900 (739) 3:45 Effective 2026-05-22 through 2026-10-24 Codeshare flight, operated by United Airlines.(UA 495) |
| Mon,Wed-Sun
22:10
Washington Dulles (IAD)
00:15
Denver (DEN) Lufthansa LH 7518 Non-stop Boeing 737-900 (739) 4:05 Valid until 2026-01-05 Codeshare flight, operated by United Airlines.(UA 495) The flight arrives 1 day after departure. |
| Wed-Sun
22:30
Washington Dulles (IAD)
00:30
Denver (DEN) Lufthansa LH 7518 Non-stop Boeing 737-900 (739) 4:00 Effective 2026-03-13 through 2026-03-28 Codeshare flight, operated by United Airlines.(UA 495) The flight arrives 1 day after departure. |
| Mon
22:30
Washington Dulles (IAD)
00:32
Denver (DEN) Lufthansa LH 7518 Non-stop Airbus A321neo (32Q) 4:02 Effective 2026-03-16 through 2026-03-23 Codeshare flight, operated by United Airlines.(UA 495) The flight arrives 1 day after departure. |
| Daily
22:30
Washington Dulles (IAD)
00:38
Denver (DEN) Lufthansa LH 7518 Non-stop Boeing 737-900 (739) 4:08 Effective 2026-03-29 through 2026-04-29 Codeshare flight, operated by United Airlines.(UA 495Z) The flight arrives 1 day after departure. |
| Wed,Thu,Sat,Sun
22:32
Washington Dulles (IAD)
00:30
Denver (DEN) Lufthansa LH 7518 Non-stop Boeing 737-900 (739) 3:58 Effective 2026-01-07 through 2026-01-11 Codeshare flight, operated by United Airlines.(UA 495) The flight arrives 1 day after departure. |
| Fri
22:32
Washington Dulles (IAD)
00:32
Denver (DEN) Lufthansa LH 7518 Non-stop Airbus A321neo (32Q) 4:00 Operates only on 2026-01-09 Codeshare flight, operated by United Airlines.(UA 495) The flight arrives 1 day after departure. |
| Wed-Sun
19:59
Washington Dulles (IAD)
22:06
Denver (DEN) Brussels Airlines SN 8809 Non-stop Airbus A321neo (32Q) 4:07 Effective 2026-03-08 through 2026-03-27 Codeshare flight, operated by United Airlines.(UA 587) |
| Wed
22:32
Washington Dulles (IAD)
00:30
Denver (DEN) Brussels Airlines SN 8809 Non-stop Boeing 737-900 (739) 3:58 Operates only on 2026-02-04 Codeshare flight, operated by United Airlines.(UA 495) The flight arrives 1 day after departure. |
| Daily
15:58
Washington Dulles (IAD)
18:14
Denver (DEN) Brussels Airlines SN 8893 Non-stop Boeing 737-900 (739) 4:16 Effective 2026-02-12 through 2026-03-04 Codeshare flight, operated by United Airlines.(UA 484) |
| Mon-Thu,Sat,Sun
16:00
Washington Dulles (IAD)
18:13
Denver (DEN) Brussels Airlines SN 8893 Non-stop Boeing 737-900 (739) 4:13 Valid until 2026-01-05 Codeshare flight, operated by United Airlines.(UA 2852) |
| Fri
16:00
Washington Dulles (IAD)
18:13
Denver (DEN) Brussels Airlines SN 8893 Non-stop Boeing 737 MAX 9 (7M9) 4:13 Operates only on 2026-01-02 Codeshare flight, operated by United Airlines.(UA 2852) |
| Thu,Fri
16:00
Washington Dulles (IAD)
18:17
Denver (DEN) Brussels Airlines SN 8893 Non-stop Boeing 737-900 (739) 4:17 Effective 2026-03-05 through 2026-03-06 Codeshare flight, operated by United Airlines.(UA 395) |
| Sat
16:03
Washington Dulles (IAD)
18:20
Denver (DEN) Brussels Airlines SN 8893 Non-stop Boeing 737 MAX 9 (7M9) 4:17 Operates only on 2026-03-07 Codeshare flight, operated by United Airlines.(UA 395) |
| Sat
16:03
Washington Dulles (IAD)
18:20
Denver (DEN) Brussels Airlines SN 8893 Non-stop Boeing 737 MAX 9 (7M9) 4:17 Operates only on 2026-03-28 Codeshare flight, operated by United Airlines.(UA 395) |
| Daily
16:03
Washington Dulles (IAD)
18:12
Denver (DEN) Brussels Airlines SN 8893 Non-stop Boeing 737-900 (739) 4:09 Effective 2026-03-29 through 2026-04-29 Codeshare flight, operated by United Airlines.(UA 395) |
| Daily
16:08
Washington Dulles (IAD)
18:17
Denver (DEN) Brussels Airlines SN 8893 Non-stop Boeing 737-900 (739) 4:09 Effective 2026-04-30 through 2026-05-20 Codeshare flight, operated by United Airlines.(UA 395) |
| Daily
16:08
Washington Dulles (IAD)
17:53
Denver (DEN) Brussels Airlines SN 8893 Non-stop Boeing 737-900 (739) 3:45 Effective 2026-05-21 through 2026-10-24 Codeshare flight, operated by United Airlines.(UA 395) |
| Daily
16:11
Washington Dulles (IAD)
18:24
Denver (DEN) Brussels Airlines SN 8893 Non-stop Boeing 737-900 (739) 4:13 Effective 2026-01-06 through 2026-02-03 Codeshare flight, operated by United Airlines.(UA 759) |
| Daily
16:11
Washington Dulles (IAD)
18:24
Denver (DEN) Brussels Airlines SN 8893 Non-stop Boeing 737-900 (739) 4:13 Effective 2026-02-05 through 2026-02-11 Codeshare flight, operated by United Airlines.(UA 759) |
| Tue
17:15
Washington Dulles (IAD)
19:28
Denver (DEN) Brussels Airlines SN 8917 Non-stop Airbus A321neo (32Q) 4:13 Operates only on 2026-01-06 Codeshare flight, operated by United Airlines.(UA 599) |
| Daily
17:15
Washington Dulles (IAD)
19:26
Denver (DEN) Brussels Airlines SN 8917 Non-stop Boeing 737 MAX 9 (7M9) 4:11 Effective 2026-01-07 through 2026-02-03 Codeshare flight, operated by United Airlines.(UA 599) |
| Mon,Tue,Thu-Sun
17:15
Washington Dulles (IAD)
19:26
Denver (DEN) Brussels Airlines SN 8917 Non-stop Boeing 737 MAX 9 (7M9) 4:11 Effective 2026-02-05 through 2026-02-10 Codeshare flight, operated by United Airlines.(UA 599) |
| Wed
17:15
Washington Dulles (IAD)
19:28
Denver (DEN) Brussels Airlines SN 8917 Non-stop Airbus A321neo (32Q) 4:13 Operates only on 2026-02-11 Codeshare flight, operated by United Airlines.(UA 599) |
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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.
