All airlines flying from Dulles, Washington (IAD) to Denver (DEN).

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FLIGHT SCHEDULE
Direct Flights:
Thu 13:50 Dulles, Washington (IAD) 15:45 Denver (DEN) Southwest Airlines WN 3023 Non-stop Boeing 737 MAX 8 (7M8) 3:55 Operates only on 2025-12-18
Mon 13:50 Dulles, Washington (IAD) 15:45 Denver (DEN) Southwest Airlines WN 3023 Non-stop Boeing 737 MAX 8 (7M8) 3:55 Operates only on 2026-01-05
Sat 15:55 Dulles, Washington (IAD) 17:50 Denver (DEN) Southwest Airlines WN 3023 Non-stop Boeing 737-800 (73H) 3:55 Effective 2025-11-08 through 2025-11-15
Sat 15:55 Dulles, Washington (IAD) 17:50 Denver (DEN) Southwest Airlines WN 3023 Non-stop Boeing 737-800 (73H) 3:55 Effective 2025-12-06 through 2025-12-13
Sat 07:00 Dulles, Washington (IAD) 08:40 Denver (DEN) Southwest Airlines WN 3041 Non-stop Boeing 737 MAX 8 (7M8) 3:40 Effective 2025-08-09 through 2025-09-27
Mon,Thu,Fri 07:35 Dulles, Washington (IAD) 09:10 Denver (DEN) Southwest Airlines WN 3041 Non-stop Boeing 737 MAX 8 (7M8) 3:35 Effective 2025-08-07 through 2025-09-29
Sun 07:40 Dulles, Washington (IAD) 09:15 Denver (DEN) Southwest Airlines WN 3041 Non-stop Boeing 737 MAX 8 (7M8) 3:35 Effective 2025-08-10 through 2025-08-24
Sun 07:40 Dulles, Washington (IAD) 09:15 Denver (DEN) Southwest Airlines WN 3041 Non-stop Boeing 737 MAX 8 (7M8) 3:35 Effective 2025-09-07 through 2025-09-28
Sun 09:55 Dulles, Washington (IAD) 11:35 Denver (DEN) Southwest Airlines WN 3041 Non-stop Boeing 737 MAX 8 (7M8) 3:40 Operates only on 2025-08-31
Tue,Wed 14:25 Dulles, Washington (IAD) 16:05 Denver (DEN) Southwest Airlines WN 3041 Non-stop Boeing 737 MAX 8 (7M8) 3:40 Effective 2025-08-05 through 2025-10-01
Mon,Thu,Fri 14:10 Dulles, Washington (IAD) 15:50 Denver (DEN) Southwest Airlines WN 3042 Non-stop Boeing 737 MAX 8 (7M8) 3:40 Effective 2025-08-07 through 2025-09-29
Tue,Wed 18:40 Dulles, Washington (IAD) 20:35 Denver (DEN) Southwest Airlines WN 3100 Non-stop Boeing 737 MAX 8 (7M8) 3:55 Effective 2025-10-07 through 2025-10-29
Mon,Thu,Fri 19:45 Dulles, Washington (IAD) 21:35 Denver (DEN) Southwest Airlines WN 3100 Non-stop Boeing 737-800 (73H) 3:50 Effective 2025-10-02 through 2025-10-31
Mon,Thu,Fri 05:00 Dulles, Washington (IAD) 06:40 Denver (DEN) Southwest Airlines WN 3179 Non-stop Boeing 737-800 (73H) 3:40 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 05:00 Dulles, Washington (IAD) 06:40 Denver (DEN) Southwest Airlines WN 3179 Non-stop Boeing 737-800 (73H) 3:40 Effective 2025-07-07 through 2025-08-04
Sun 05:50 Dulles, Washington (IAD) 07:30 Denver (DEN) Southwest Airlines WN 3179 Non-stop Boeing 737-800 (73H) 3:40 Effective 2025-06-08 through 2025-08-03
Sat 06:30 Dulles, Washington (IAD) 08:15 Denver (DEN) Southwest Airlines WN 3179 Non-stop Boeing 737-800 (73H) 3:45 Effective 2025-06-07 through 2025-08-02
Tue,Wed 14:05 Dulles, Washington (IAD) 15:55 Denver (DEN) Southwest Airlines WN 3179 Non-stop Boeing 737 MAX 8 (7M8) 3:50 Effective 2025-06-10 through 2025-07-30
Mon,Thu,Fri 14:10 Dulles, Washington (IAD) 16:05 Denver (DEN) Southwest Airlines WN 3252 Non-stop Boeing 737 MAX 8 (7M8) 3:55 Valid until 2025-06-02
Sat 17:05 Dulles, Washington (IAD) 18:55 Denver (DEN) Southwest Airlines WN 3330 Non-stop Boeing 737-800 (73H) 3:50 Effective 2025-08-09 through 2025-09-27
Tue,Wed 18:05 Dulles, Washington (IAD) 20:00 Denver (DEN) Southwest Airlines WN 3330 Non-stop Boeing 737 MAX 8 (7M8) 3:55 Effective 2025-08-05 through 2025-10-01
Mon,Thu,Fri 18:50 Dulles, Washington (IAD) 20:40 Denver (DEN) Southwest Airlines WN 3330 Non-stop Boeing 737-700 (73W) 3:50 Effective 2025-08-07 through 2025-09-29
Sun 19:20 Dulles, Washington (IAD) 21:05 Denver (DEN) Southwest Airlines WN 3330 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Effective 2025-08-10 through 2025-08-24
Sun 19:20 Dulles, Washington (IAD) 21:05 Denver (DEN) Southwest Airlines WN 3330 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Effective 2025-09-07 through 2025-09-28
Tue,Wed 07:50 Dulles, Washington (IAD) 09:40 Denver (DEN) Southwest Airlines WN 3649 Non-stop Boeing 737 MAX 8 (7M8) 3:50 Valid until 2025-06-04
Sun 19:55 Dulles, Washington (IAD) 21:50 Denver (DEN) Southwest Airlines WN 4059 Non-stop Boeing 737-800 (73H) 3:55 Effective 2025-06-08 through 2025-08-03
Sun 16:35 Dulles, Washington (IAD) 18:30 Denver (DEN) Southwest Airlines WN 4082 Non-stop Boeing 737 MAX 8 (7M8) 3:55 Valid until 2025-05-18
Sun 16:35 Dulles, Washington (IAD) 18:30 Denver (DEN) Southwest Airlines WN 4082 Non-stop Boeing 737 MAX 8 (7M8) 3:55 Operates only on 2025-06-01
Sat 17:50 Dulles, Washington (IAD) 19:55 Denver (DEN) Southwest Airlines WN 4082 Non-stop Boeing 737-800 (73H) 4:05 Valid until 2025-05-31
Sun 18:10 Dulles, Washington (IAD) 20:15 Denver (DEN) Southwest Airlines WN 4082 Non-stop Boeing 737 MAX 8 (7M8) 4:05 Operates only on 2025-05-25
Tue,Wed 18:40 Dulles, Washington (IAD) 20:45 Denver (DEN) Southwest Airlines WN 4082 Non-stop Boeing 737-700 (73W) 4:05 Valid until 2025-06-04
Mon,Thu,Fri 18:40 Dulles, Washington (IAD) 20:45 Denver (DEN) Southwest Airlines WN 4082 Non-stop Boeing 737 MAX 8 (7M8) 4:05 Valid until 2025-06-02
Non-Direct Flights:
Daily 09:00 Dulles, Washington (IAD) 14:59 Denver (DEN) United Airlines UA 250 1-stop Airbus A319 (319) 7:59 Effective 2025-06-01 through 2025-06-25
Sun 13:07 Dulles, Washington (IAD) 19:40 Denver (DEN) United Airlines UA 545 1-stop Boeing 737 MAX 9 (7M9) 8:33 Effective 2025-05-25 through 2025-06-22
Tue-Fri 13:15 Dulles, Washington (IAD) 19:40 Denver (DEN) United Airlines UA 545 1-stop Boeing 737-700 (73G) 8:25 Effective 2025-05-22 through 2025-06-25
Mon 13:15 Dulles, Washington (IAD) 19:40 Denver (DEN) United Airlines UA 545 1-stop Boeing 737-900 (739) 8:25 Operates only on 2025-05-26
Mon 13:15 Dulles, Washington (IAD) 19:40 Denver (DEN) United Airlines UA 545 1-stop Boeing 737 MAX 9 (7M9) 8:25 Effective 2025-06-02 through 2025-06-23
Mon,Wed-Fri,Sun 17:50 Dulles, Washington (IAD) 23:11 Denver (DEN) United Airlines UA 688 1-stop Boeing 737-900 (739) 7:21 Valid until 2025-05-21
Thu 09:00 Dulles, Washington (IAD) 17:58 Denver (DEN) United Airlines UA 1073 1-stop Boeing 737-900 (739) 10:58 Operates only on 2025-06-26
Fri 09:00 Dulles, Washington (IAD) 17:58 Denver (DEN) United Airlines UA 1073 1-stop Boeing 737 MAX 9 (7M9) 10:58 Operates only on 2025-06-27
Sat 09:00 Dulles, Washington (IAD) 17:58 Denver (DEN) United Airlines UA 1073 1-stop Boeing 737 MAX 8 (7M8) 10:58 Effective 2025-06-28 through 2025-07-26
Mon-Thu,Sun 09:00 Dulles, Washington (IAD) 17:58 Denver (DEN) United Airlines UA 1073 1-stop Boeing 737-800 (738) 10:58 Effective 2025-06-29 through 2025-07-31
Fri 09:00 Dulles, Washington (IAD) 17:58 Denver (DEN) United Airlines UA 1073 1-stop Boeing 737-900 (739) 10:58 Operates only on 2025-07-04
Fri 09:00 Dulles, Washington (IAD) 17:58 Denver (DEN) United Airlines UA 1073 1-stop Boeing 737 MAX 9 (7M9) 10:58 Effective 2025-07-11 through 2025-07-25
Daily 08:15 Dulles, Washington (IAD) 16:13 Denver (DEN) United Airlines UA 1790 1-stop Boeing 737 MAX 9 (7M9) 9:58 Effective 2025-06-26 through 2025-07-31
Mon,Tue,Thu-Sun 12:40 Dulles, Washington (IAD) 19:32 Denver (DEN) United Airlines UA 2206 1-stop Boeing 737-900 (739) 8:52 Effective 2025-05-22 through 2025-05-29
Wed,Fri 12:40 Dulles, Washington (IAD) 19:18 Denver (DEN) United Airlines UA 2206 1-stop Boeing 737-900 (739) 8:38 Effective 2025-05-28 through 2025-05-30
Daily 12:40 Dulles, Washington (IAD) 19:32 Denver (DEN) United Airlines UA 2206 1-stop Boeing 737-900 (739) 8:52 Effective 2025-05-31 through 2025-06-25
Sun 13:40 Dulles, Washington (IAD) 19:10 Denver (DEN) Southwest Airlines WN 2277 1-stop Boeing 737 MAX 8 (7M8) 7:30 Operates only on 2025-11-30
Mon,Wed,Thu 06:22 Dulles, Washington (IAD) 14:53 Denver (DEN) United Airlines UA 708 2-stop Airbus A320 (320) 10:31 Valid until 2025-05-08

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A domestic route departing from the Dulles, Washington 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 4:15.

Return (DEN-IAD) flights

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All airlines flying from Dulles, Washington (IAD) to Denver (DEN).

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FLIGHT SCHEDULE

Direct Flights:

Southwest Airlines WN3023

13:50

Dulles, Washington (IAD)

15:45

Denver (DEN)

Operates only on 2025-12-18

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 3:55, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN3023

13:50

Dulles, Washington (IAD)

15:45

Denver (DEN)

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:55, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN3023

15:55

Dulles, Washington (IAD)

17:50

Denver (DEN)

Effective 2025-11-08 through 2025-11-15

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:55, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN3023

15:55

Dulles, Washington (IAD)

17:50

Denver (DEN)

Effective 2025-12-06 through 2025-12-13

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:55, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN3041

07:00

Dulles, Washington (IAD)

08:40

Denver (DEN)

Effective 2025-08-09 through 2025-09-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:40, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN3041

07:35

Dulles, Washington (IAD)

09:10

Denver (DEN)

Effective 2025-08-07 through 2025-09-29

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:35, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN3041

07:40

Dulles, Washington (IAD)

09:15

Denver (DEN)

Effective 2025-08-10 through 2025-08-24

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:35, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN3041

07:40

Dulles, Washington (IAD)

09:15

Denver (DEN)

Effective 2025-09-07 through 2025-09-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:35, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN3041

09:55

Dulles, Washington (IAD)

11:35

Denver (DEN)

Operates only on 2025-08-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:40, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN3041

14:25

Dulles, Washington (IAD)

16:05

Denver (DEN)

Effective 2025-08-05 through 2025-10-01

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:40, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN3042

14:10

Dulles, Washington (IAD)

15:50

Denver (DEN)

Effective 2025-08-07 through 2025-09-29

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:40, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN3100

18:40

Dulles, Washington (IAD)

20:35

Denver (DEN)

Effective 2025-10-07 through 2025-10-29

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:55, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN3100

19:45

Dulles, Washington (IAD)

21:35

Denver (DEN)

Effective 2025-10-02 through 2025-10-31

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:50, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN3179

05:00

Dulles, Washington (IAD)

06:40

Denver (DEN)

Effective 2025-06-05 through 2025-07-03

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:40, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN3179

05:00

Dulles, Washington (IAD)

06:40

Denver (DEN)

Effective 2025-07-07 through 2025-08-04

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:40, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN3179

05:50

Dulles, Washington (IAD)

07:30

Denver (DEN)

Effective 2025-06-08 through 2025-08-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:40, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN3179

06:30

Dulles, Washington (IAD)

08:15

Denver (DEN)

Effective 2025-06-07 through 2025-08-02

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:45, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN3179

14:05

Dulles, Washington (IAD)

15:55

Denver (DEN)

Effective 2025-06-10 through 2025-07-30

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:50, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN3252

14:10

Dulles, Washington (IAD)

16:05

Denver (DEN)

Valid until 2025-06-02

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:55, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN3330

17:05

Dulles, Washington (IAD)

18:55

Denver (DEN)

Effective 2025-08-09 through 2025-09-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:50, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN3330

18:05

Dulles, Washington (IAD)

20:00

Denver (DEN)

Effective 2025-08-05 through 2025-10-01

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:55, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN3330

18:50

Dulles, Washington (IAD)

20:40

Denver (DEN)

Effective 2025-08-07 through 2025-09-29

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:50, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN3330

19:20

Dulles, Washington (IAD)

21:05

Denver (DEN)

Effective 2025-08-10 through 2025-08-24

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:45, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN3330

19:20

Dulles, Washington (IAD)

21:05

Denver (DEN)

Effective 2025-09-07 through 2025-09-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:45, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN3649

07:50

Dulles, Washington (IAD)

09:40

Denver (DEN)

Valid until 2025-06-04

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:50, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4059

19:55

Dulles, Washington (IAD)

21:50

Denver (DEN)

Effective 2025-06-08 through 2025-08-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:55, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4082

16:35

Dulles, Washington (IAD)

18:30

Denver (DEN)

Valid until 2025-05-18

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:55, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4082

16:35

Dulles, Washington (IAD)

18:30

Denver (DEN)

Operates only on 2025-06-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:55, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4082

17:50

Dulles, Washington (IAD)

19:55

Denver (DEN)

Valid until 2025-05-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:05, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4082

18:10

Dulles, Washington (IAD)

20:15

Denver (DEN)

Operates only on 2025-05-25

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:05, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4082

18:40

Dulles, Washington (IAD)

20:45

Denver (DEN)

Valid until 2025-06-04

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:05, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4082

18:40

Dulles, Washington (IAD)

20:45

Denver (DEN)

Valid until 2025-06-02

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 4:05, non-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

United Airlines UA250

09:00

Dulles, Washington (IAD)

14:59

Denver (DEN)

Effective 2025-06-01 through 2025-06-25

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 7:59, 1-stop
Airbus A319 (319)

United Airlines UA545

13:07

Dulles, Washington (IAD)

19:40

Denver (DEN)

Effective 2025-05-25 through 2025-06-22

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 8:33, 1-stop
Boeing 737 MAX 9 (7M9)

United Airlines UA545

13:15

Dulles, Washington (IAD)

19:40

Denver (DEN)

Effective 2025-05-22 through 2025-06-25

Mon
-

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 8:25, 1-stop
Boeing 737-700 (73G)

United Airlines UA545

13:15

Dulles, Washington (IAD)

19:40

Denver (DEN)

Operates only on 2025-05-26

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 8:25, 1-stop
Boeing 737-900 (739)

United Airlines UA545

13:15

Dulles, Washington (IAD)

19:40

Denver (DEN)

Effective 2025-06-02 through 2025-06-23

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 8:25, 1-stop
Boeing 737 MAX 9 (7M9)

United Airlines UA688

17:50

Dulles, Washington (IAD)

23:11

Denver (DEN)

Valid until 2025-05-21

Mon

Tue
-

Wed

Thu

Fri

Sat
-

Sun

Duration: 7:21, 1-stop
Boeing 737-900 (739)

United Airlines UA1073

09:00

Dulles, Washington (IAD)

17:58

Denver (DEN)

Operates only on 2025-06-26

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 10:58, 1-stop
Boeing 737-900 (739)

United Airlines UA1073

09:00

Dulles, Washington (IAD)

17:58

Denver (DEN)

Operates only on 2025-06-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 10:58, 1-stop
Boeing 737 MAX 9 (7M9)

United Airlines UA1073

09:00

Dulles, Washington (IAD)

17:58

Denver (DEN)

Effective 2025-06-28 through 2025-07-26

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 10:58, 1-stop
Boeing 737 MAX 8 (7M8)

United Airlines UA1073

09:00

Dulles, Washington (IAD)

17:58

Denver (DEN)

Effective 2025-06-29 through 2025-07-31

Mon

Tue

Wed

Thu

Fri
-

Sat
-

Sun

Duration: 10:58, 1-stop
Boeing 737-800 (738)

United Airlines UA1073

09:00

Dulles, Washington (IAD)

17:58

Denver (DEN)

Operates only on 2025-07-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 10:58, 1-stop
Boeing 737-900 (739)

United Airlines UA1073

09:00

Dulles, Washington (IAD)

17:58

Denver (DEN)

Effective 2025-07-11 through 2025-07-25

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 10:58, 1-stop
Boeing 737 MAX 9 (7M9)

United Airlines UA1790

08:15

Dulles, Washington (IAD)

16:13

Denver (DEN)

Effective 2025-06-26 through 2025-07-31

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 9:58, 1-stop
Boeing 737 MAX 9 (7M9)

United Airlines UA2206

12:40

Dulles, Washington (IAD)

19:32

Denver (DEN)

Effective 2025-05-22 through 2025-05-29

Mon

Tue

Wed
-

Thu

Fri

Sat

Sun

Duration: 8:52, 1-stop
Boeing 737-900 (739)

United Airlines UA2206

12:40

Dulles, Washington (IAD)

19:18

Denver (DEN)

Effective 2025-05-28 through 2025-05-30

Mon
-

Tue
-

Wed

Thu
-

Fri

Sat
-

Sun
-

Duration: 8:38, 1-stop
Boeing 737-900 (739)

United Airlines UA2206

12:40

Dulles, Washington (IAD)

19:32

Denver (DEN)

Effective 2025-05-31 through 2025-06-25

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 8:52, 1-stop
Boeing 737-900 (739)

Southwest Airlines WN2277

13:40

Dulles, Washington (IAD)

19:10

Denver (DEN)

Operates only on 2025-11-30

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 7:30, 1-stop
Boeing 737 MAX 8 (7M8)

United Airlines UA708

06:22

Dulles, Washington (IAD)

14:53

Denver (DEN)

Valid until 2025-05-08

Mon

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 10:31, 2-stop
Airbus A320 (320)

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A domestic route departing from the Dulles, Washington 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 4:15.

Return (DEN-IAD) flights

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