United Airlines flights from Washington Dulles (IAD) to Denver (DEN).

FLIGHT SCHEDULE
Direct Flights:
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.
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
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
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
Daily 20:00 Washington Dulles (IAD) 21:46 Denver (DEN) United Airlines UA 2667 Non-stop Airbus A321neo (32Q) 3:46 Effective 2026-04-30 through 2026-05-20
Daily 20:00 Washington Dulles (IAD) 21:46 Denver (DEN) United Airlines UA 2667 Non-stop Boeing 757-300 (753) 3:46 Effective 2026-05-21 through 2026-10-24
Daily 20:09 Washington Dulles (IAD) 22:12 Denver (DEN) United Airlines UA 2667 Non-stop Airbus A321neo (32Q) 4:03 Effective 2026-03-29 through 2026-04-29
Daily 14:12 Washington Dulles (IAD) 16:23 Denver (DEN) United Airlines UA 2668 Non-stop Boeing 737-900 (739) 4:11 Effective 2026-02-12 through 2026-03-04
Daily 08:15 Washington Dulles (IAD) 10:25 Denver (DEN) United Airlines UA 2680 Non-stop Boeing 757-300 (753) 4:10 Effective 2026-02-12 through 2026-03-04
Thu 09:50 Washington Dulles (IAD) 12:00 Denver (DEN) United Airlines UA 2681 Non-stop Boeing 757-300 (753) 4:10 Operates only on 2026-02-12
Daily 09:50 Washington Dulles (IAD) 12:03 Denver (DEN) United Airlines UA 2681 Non-stop Airbus A321neo (32Q) 4:13 Effective 2026-02-13 through 2026-03-04
Tue 06:20 Washington Dulles (IAD) 08:20 Denver (DEN) United Airlines UA 2690 Non-stop Boeing 737-900 (739) 4:00 Operates only on 2026-01-06
Daily 17:19 Washington Dulles (IAD) 19:40 Denver (DEN) United Airlines UA 2693 Non-stop Boeing 757-300 (753) 4:21 Effective 2026-02-12 through 2026-03-04
Mon-Sat 12:40 Washington Dulles (IAD) 14:53 Denver (DEN) United Airlines UA 2741 Non-stop Airbus A321neo (32Q) 4:13 Effective 2026-02-12 through 2026-03-04
Sun 12:40 Washington Dulles (IAD) 14:51 Denver (DEN) United Airlines UA 2741 Non-stop Boeing 737-900 (739) 4:11 Effective 2026-02-15 through 2026-03-01
Mon-Thu,Sat,Sun 16:00 Washington Dulles (IAD) 18:13 Denver (DEN) United Airlines UA 2852 Non-stop Boeing 737-900 (739) 4:13 Valid until 2026-01-05
Fri 16:00 Washington Dulles (IAD) 18:13 Denver (DEN) United Airlines UA 2852 Non-stop Boeing 737 MAX 9 (7M9) 4:13 Operates only on 2026-01-02
Non-Direct Flights:
Thu 12:41 Washington Dulles (IAD) 19:40 Denver (DEN) United Airlines UA 649 1-stop Airbus A319 (319) 8:59 Operates only on 2026-02-12
Mon,Wed-Fri,Sun 12:41 Washington Dulles (IAD) 19:40 Denver (DEN) United Airlines UA 649 1-stop Boeing 737-800 (738) 8:59 Effective 2026-02-13 through 2026-02-22
Wed-Fri,Sun 12:41 Washington Dulles (IAD) 19:40 Denver (DEN) United Airlines UA 649 1-stop Boeing 737-800 (738) 8:59 Effective 2026-02-25 through 2026-03-04
Tue 09:00 Washington Dulles (IAD) 14:36 Denver (DEN) United Airlines UA 683 1-stop Boeing 737-900 (739) 7:36 Operates only on 2026-01-06
Tue,Wed 09:00 Washington Dulles (IAD) 14:36 Denver (DEN) United Airlines UA 683 1-stop Boeing 737-800 (738) 7:36 Effective 2026-01-07 through 2026-01-14
Mon,Thu,Fri,Sun 09:00 Washington Dulles (IAD) 14:36 Denver (DEN) United Airlines UA 683 1-stop Boeing 737-900 (739) 7:36 Effective 2026-01-08 through 2026-01-16
Sat 09:00 Washington Dulles (IAD) 14:35 Denver (DEN) United Airlines UA 683 1-stop Boeing 737 MAX 8 (7M8) 7:35 Effective 2026-01-10 through 2026-02-07
Tue,Wed,Sun 09:00 Washington Dulles (IAD) 14:36 Denver (DEN) United Airlines UA 683 1-stop Boeing 737-800 (738) 7:36 Effective 2026-01-18 through 2026-01-21
Mon,Thu,Fri,Sun 09:00 Washington Dulles (IAD) 14:36 Denver (DEN) United Airlines UA 683 1-stop Boeing 737-900 (739) 7:36 Effective 2026-01-19 through 2026-02-09
Tue,Wed 09:00 Washington Dulles (IAD) 14:36 Denver (DEN) United Airlines UA 683 1-stop Boeing 737-800 (738) 7:36 Effective 2026-01-27 through 2026-02-03
Wed 09:00 Washington Dulles (IAD) 14:52 Denver (DEN) United Airlines UA 683 1-stop Boeing 737-800 (738) 7:52 Operates only on 2026-02-04
Tue,Wed 09:00 Washington Dulles (IAD) 14:36 Denver (DEN) United Airlines UA 683 1-stop Boeing 737-800 (738) 7:36 Effective 2026-02-10 through 2026-02-11

1 2 3 4

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.

Feedback - Disclaimer - Privacy

United Airlines flights from Washington Dulles (IAD) to Denver (DEN).

FLIGHT SCHEDULE

Direct Flights:

United Airlines UA1424

08:15

Washington Dulles (IAD)

10:10

Denver (DEN)

Effective 2026-04-30 through 2026-05-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:55, non-stop
Boeing 757-300 (753)

Direct Flights:

United Airlines UA1424

08:15

Washington Dulles (IAD)

10:10

Denver (DEN)

Effective from 2026-05-21

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:55, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA1587

12:40

Washington Dulles (IAD)

14:53

Denver (DEN)

Valid until 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:13, non-stop
Airbus A321neo (32Q)

Direct Flights:

United Airlines UA1587

12:40

Washington Dulles (IAD)

14:51

Denver (DEN)

Effective 2026-03-08 through 2026-03-22

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:11, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA1587

12:40

Washington Dulles (IAD)

14:46

Denver (DEN)

Effective 2026-03-29 through 2026-04-29

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:06, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA1587

12:45

Washington Dulles (IAD)

14:55

Denver (DEN)

Effective 2026-03-05 through 2026-03-13

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 4:10, non-stop
Boeing 757-200 (752)

Direct Flights:

United Airlines UA1587

12:45

Washington Dulles (IAD)

14:58

Denver (DEN)

Operates only on 2026-03-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:13, non-stop
Airbus A321neo (32Q)

Direct Flights:

United Airlines UA1587

12:45

Washington Dulles (IAD)

14:55

Denver (DEN)

Effective 2026-03-14 through 2026-03-28

Mon

Tue

Wed

Thu

Fri

Sat

Sun
-

Duration: 4:10, non-stop
Boeing 757-200 (752)

Direct Flights:

United Airlines UA1587

12:45

Washington Dulles (IAD)

14:43

Denver (DEN)

Effective from 2026-04-30

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:58, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA1865

09:47

Washington Dulles (IAD)

12:00

Denver (DEN)

Effective 2026-03-05 through 2026-03-28

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:13, non-stop
Airbus A321neo (32Q)

Direct Flights:

United Airlines UA1865

09:55

Washington Dulles (IAD)

12:00

Denver (DEN)

Effective 2026-03-29 through 2026-04-29

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:05, non-stop
Airbus A321neo (32Q)

Direct Flights:

United Airlines UA1865

10:22

Washington Dulles (IAD)

12:18

Denver (DEN)

Effective 2026-04-30 through 2026-05-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:56, non-stop
Airbus A321neo (32Q)

Direct Flights:

United Airlines UA1865

10:22

Washington Dulles (IAD)

12:18

Denver (DEN)

Effective from 2026-05-21

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:56, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA2011

22:05

Washington Dulles (IAD)

00:13(+1)

Denver (DEN)

Operates only on 2026-05-20

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:08, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.

Direct Flights:

United Airlines UA2064

09:47

Washington Dulles (IAD)

12:00

Denver (DEN)

Valid until 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:13, non-stop
Airbus A321neo (32Q)

Direct Flights:

United Airlines UA2064

10:02

Washington Dulles (IAD)

12:14

Denver (DEN)

Operates only on 2026-01-06

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:12, non-stop
Boeing 757-300 (753)

Direct Flights:

United Airlines UA2064

10:02

Washington Dulles (IAD)

12:15

Denver (DEN)

Effective 2026-01-07 through 2026-02-07

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:13, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA2064

10:02

Washington Dulles (IAD)

12:15

Denver (DEN)

Operates only on 2026-02-08

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:13, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

United Airlines UA2064

10:02

Washington Dulles (IAD)

12:14

Denver (DEN)

Operates only on 2026-02-09

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:12, non-stop
Boeing 757-300 (753)

Direct Flights:

United Airlines UA2064

10:02

Washington Dulles (IAD)

12:15

Denver (DEN)

Effective 2026-02-10 through 2026-02-11

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:13, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA2065

19:42

Washington Dulles (IAD)

21:47

Denver (DEN)

Effective 2026-02-12 through 2026-03-04

Mon
-

Tue
-

Wed

Thu

Fri

Sat

Sun

Duration: 4:05, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

United Airlines UA2107

06:20

Washington Dulles (IAD)

08:22

Denver (DEN)

Valid until 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:02, non-stop
Airbus A321neo (32Q)

Direct Flights:

United Airlines UA2121

14:24

Washington Dulles (IAD)

16:37

Denver (DEN)

Valid until 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:13, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA2257

06:35

Washington Dulles (IAD)

08:24

Denver (DEN)

Effective 2026-05-21 through 2026-08-17

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:49, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA2357

08:20

Washington Dulles (IAD)

10:33

Denver (DEN)

Effective 2026-03-05 through 2026-03-28

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:13, non-stop
Airbus A321neo (32Q)

Direct Flights:

United Airlines UA2667

20:00

Washington Dulles (IAD)

21:46

Denver (DEN)

Effective 2026-04-30 through 2026-05-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:46, non-stop
Airbus A321neo (32Q)

Direct Flights:

United Airlines UA2667

20:00

Washington Dulles (IAD)

21:46

Denver (DEN)

Effective 2026-05-21 through 2026-10-24

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:46, non-stop
Boeing 757-300 (753)

Direct Flights:

United Airlines UA2667

20:09

Washington Dulles (IAD)

22:12

Denver (DEN)

Effective 2026-03-29 through 2026-04-29

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:03, non-stop
Airbus A321neo (32Q)

Direct Flights:

United Airlines UA2668

14:12

Washington Dulles (IAD)

16:23

Denver (DEN)

Effective 2026-02-12 through 2026-03-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:11, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA2680

08:15

Washington Dulles (IAD)

10:25

Denver (DEN)

Effective 2026-02-12 through 2026-03-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:10, non-stop
Boeing 757-300 (753)

Direct Flights:

United Airlines UA2681

09:50

Washington Dulles (IAD)

12:00

Denver (DEN)

Operates only on 2026-02-12

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 4:10, non-stop
Boeing 757-300 (753)

Direct Flights:

United Airlines UA2681

09:50

Washington Dulles (IAD)

12:03

Denver (DEN)

Effective 2026-02-13 through 2026-03-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:13, non-stop
Airbus A321neo (32Q)

Direct Flights:

United Airlines UA2690

06:20

Washington Dulles (IAD)

08:20

Denver (DEN)

Operates only on 2026-01-06

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:00, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA2693

17:19

Washington Dulles (IAD)

19:40

Denver (DEN)

Effective 2026-02-12 through 2026-03-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:21, non-stop
Boeing 757-300 (753)

Direct Flights:

United Airlines UA2741

12:40

Washington Dulles (IAD)

14:53

Denver (DEN)

Effective 2026-02-12 through 2026-03-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun
-

Duration: 4:13, non-stop
Airbus A321neo (32Q)

Direct Flights:

United Airlines UA2741

12:40

Washington Dulles (IAD)

14:51

Denver (DEN)

Effective 2026-02-15 through 2026-03-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:11, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA2852

16:00

Washington Dulles (IAD)

18:13

Denver (DEN)

Valid until 2026-01-05

Mon

Tue

Wed

Thu

Fri
-

Sat

Sun

Duration: 4:13, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA2852

16:00

Washington Dulles (IAD)

18:13

Denver (DEN)

Operates only on 2026-01-02

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 4:13, non-stop
Boeing 737 MAX 9 (7M9)

Non-Direct Flights:

United Airlines UA649

12:41

Washington Dulles (IAD)

19:40

Denver (DEN)

Operates only on 2026-02-12

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 8:59, 1-stop
Airbus A319 (319)

Non-Direct Flights:

United Airlines UA649

12:41

Washington Dulles (IAD)

19:40

Denver (DEN)

Effective 2026-02-13 through 2026-02-22

Mon

Tue
-

Wed

Thu

Fri

Sat
-

Sun

Duration: 8:59, 1-stop
Boeing 737-800 (738)

Non-Direct Flights:

United Airlines UA649

12:41

Washington Dulles (IAD)

19:40

Denver (DEN)

Effective 2026-02-25 through 2026-03-04

Mon
-

Tue
-

Wed

Thu

Fri

Sat
-

Sun

Duration: 8:59, 1-stop
Boeing 737-800 (738)

Non-Direct Flights:

United Airlines UA683

09:00

Washington Dulles (IAD)

14:36

Denver (DEN)

Operates only on 2026-01-06

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 7:36, 1-stop
Boeing 737-900 (739)

Non-Direct Flights:

United Airlines UA683

09:00

Washington Dulles (IAD)

14:36

Denver (DEN)

Effective 2026-01-07 through 2026-01-14

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 7:36, 1-stop
Boeing 737-800 (738)

Non-Direct Flights:

United Airlines UA683

09:00

Washington Dulles (IAD)

14:36

Denver (DEN)

Effective 2026-01-08 through 2026-01-16

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 7:36, 1-stop
Boeing 737-900 (739)

Non-Direct Flights:

United Airlines UA683

09:00

Washington Dulles (IAD)

14:35

Denver (DEN)

Effective 2026-01-10 through 2026-02-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 7:35, 1-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

United Airlines UA683

09:00

Washington Dulles (IAD)

14:36

Denver (DEN)

Effective 2026-01-18 through 2026-01-21

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun

Duration: 7:36, 1-stop
Boeing 737-800 (738)

Non-Direct Flights:

United Airlines UA683

09:00

Washington Dulles (IAD)

14:36

Denver (DEN)

Effective 2026-01-19 through 2026-02-09

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 7:36, 1-stop
Boeing 737-900 (739)

Non-Direct Flights:

United Airlines UA683

09:00

Washington Dulles (IAD)

14:36

Denver (DEN)

Effective 2026-01-27 through 2026-02-03

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 7:36, 1-stop
Boeing 737-800 (738)

Non-Direct Flights:

United Airlines UA683

09:00

Washington Dulles (IAD)

14:52

Denver (DEN)

Operates only on 2026-02-04

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 7:52, 1-stop
Boeing 737-800 (738)

Non-Direct Flights:

United Airlines UA683

09:00

Washington Dulles (IAD)

14:36

Denver (DEN)

Effective 2026-02-10 through 2026-02-11

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 7:36, 1-stop
Boeing 737-800 (738)

prev Page 2 / 4 next

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.

All IAD-DEN flights

All United Airlines flights

Return (DEN-IAD) flights

Feedback - Disclaimer - Privacy