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

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Thu 10:10 Dulles, Washington (IAD) 12:02 Denver (DEN) Copa Airlines CM 2859 Non-stop Boeing 787-9 (789) 3:52 Operates only on 2025-05-01 Codeshare flight, operated by United Airlines.(UA 1537)
Daily 10:10 Dulles, Washington (IAD) 12:09 Denver (DEN) Copa Airlines CM 2859 Non-stop Boeing 757-300 (753) 3:59 Effective 2025-05-02 through 2025-05-21 Codeshare flight, operated by United Airlines.(UA 1537)
Daily 10:10 Dulles, Washington (IAD) 12:01 Denver (DEN) Copa Airlines CM 2859 Non-stop Boeing 757-300 (753) 3:51 Effective 2025-05-22 through 2025-06-18 Codeshare flight, operated by United Airlines.(UA 1537)
Thu 10:10 Dulles, Washington (IAD) 12:05 Denver (DEN) Copa Airlines CM 2859 Non-stop Boeing 737-900 (739) 3:55 Operates only on 2025-06-19 Codeshare flight, operated by United Airlines.(UA 1537)
Mon-Wed,Fri-Sun 10:10 Dulles, Washington (IAD) 12:01 Denver (DEN) Copa Airlines CM 2859 Non-stop Boeing 757-300 (753) 3:51 Effective 2025-06-20 through 2025-06-25 Codeshare flight, operated by United Airlines.(UA 1537)
Mon-Fri,Sun 10:10 Dulles, Washington (IAD) 12:05 Denver (DEN) Copa Airlines CM 2859 Non-stop Boeing 737-900 (739) 3:55 Effective 2025-06-26 through 2025-07-04 Codeshare flight, operated by United Airlines.(UA 2705)
Sat 10:10 Dulles, Washington (IAD) 12:05 Denver (DEN) Copa Airlines CM 2859 Non-stop Boeing 737 MAX 9 (7M9) 3:55 Operates only on 2025-06-28 Codeshare flight, operated by United Airlines.(UA 2705)
Daily 10:10 Dulles, Washington (IAD) 12:05 Denver (DEN) Copa Airlines CM 2859 Non-stop Boeing 737-900 (739) 3:55 Effective 2025-07-05 through 2025-07-11 Codeshare flight, operated by United Airlines.(UA 2705)
Sat 10:10 Dulles, Washington (IAD) 12:05 Denver (DEN) Copa Airlines CM 2859 Non-stop Boeing 737 MAX 9 (7M9) 3:55 Effective 2025-07-12 through 2025-07-26 Codeshare flight, operated by United Airlines.(UA 2705)
Mon-Fri,Sun 10:10 Dulles, Washington (IAD) 12:05 Denver (DEN) Copa Airlines CM 2859 Non-stop Boeing 737-900 (739) 3:55 Effective 2025-07-13 through 2025-07-31 Codeshare flight, operated by United Airlines.(UA 2705)
Mon-Fri 10:10 Dulles, Washington (IAD) 12:05 Denver (DEN) Copa Airlines CM 2859 Non-stop Boeing 737-900 (739) 3:55 Effective 2025-08-01 through 2025-08-18 Codeshare flight, operated by United Airlines.(UA 493)
Sat,Sun 10:10 Dulles, Washington (IAD) 12:05 Denver (DEN) Copa Airlines CM 2859 Non-stop Boeing 737 MAX 9 (7M9) 3:55 Effective 2025-08-02 through 2025-08-17 Codeshare flight, operated by United Airlines.(UA 493)
Daily 10:22 Dulles, Washington (IAD) 12:18 Denver (DEN) Copa Airlines CM 2859 Non-stop Boeing 757-300 (753) 3:56 Effective 2025-08-19 through 2025-09-24 Codeshare flight, operated by United Airlines.(UA 1537)
Daily 10:22 Dulles, Washington (IAD) 12:18 Denver (DEN) Copa Airlines CM 2859 Non-stop Boeing 737-900 (739) 3:56 Effective from 2025-10-26 Codeshare flight, operated by United Airlines.(UA 1537)
Daily 10:25 Dulles, Washington (IAD) 12:13 Denver (DEN) Copa Airlines CM 2859 Non-stop Airbus A321neo (32Q) 3:48 Effective 2025-09-25 through 2025-10-25 Codeshare flight, operated by United Airlines.(UA 1537)
Mon,Thu-Sun 06:35 Dulles, Washington (IAD) 08:24 Denver (DEN) Copa Airlines CM 2860 Non-stop Airbus A321neo (32Q) 3:49 Effective 2025-05-23 through 2025-05-30 Codeshare flight, operated by United Airlines.(UA 371)
Mon,Tue,Fri,Sun 06:35 Dulles, Washington (IAD) 08:24 Denver (DEN) Copa Airlines CM 2860 Non-stop Airbus A321neo (32Q) 3:49 Effective 2025-06-01 through 2025-06-06 Codeshare flight, operated by United Airlines.(UA 2717)
Daily 06:35 Dulles, Washington (IAD) 08:24 Denver (DEN) Copa Airlines CM 2860 Non-stop Airbus A321neo (32Q) 3:49 Effective 2025-06-10 through 2025-06-16 Codeshare flight, operated by United Airlines.(UA 2717)
Mon-Wed,Fri,Sat 06:35 Dulles, Washington (IAD) 08:24 Denver (DEN) Copa Airlines CM 2860 Non-stop Airbus A321neo (32Q) 3:49 Effective 2025-06-20 through 2025-06-25 Codeshare flight, operated by United Airlines.(UA 2717)
Tue-Thu 15:44 Dulles, Washington (IAD) 17:52 Denver (DEN) Copa Airlines CM 2860 Non-stop Boeing 737-900 (739) 4:08 Effective 2025-05-22 through 2025-05-28 Codeshare flight, operated by United Airlines.(UA 1236)
Sat 15:44 Dulles, Washington (IAD) 17:52 Denver (DEN) Copa Airlines CM 2860 Non-stop Boeing 737-900 (739) 4:08 Operates only on 2025-05-31 Codeshare flight, operated by United Airlines.(UA 1236)
Mon,Wed,Thu,Sat 15:44 Dulles, Washington (IAD) 17:52 Denver (DEN) Copa Airlines CM 2860 Non-stop Boeing 737-900 (739) 4:08 Effective 2025-06-04 through 2025-06-09 Codeshare flight, operated by United Airlines.(UA 2720)
Tue-Thu 15:44 Dulles, Washington (IAD) 17:52 Denver (DEN) Copa Airlines CM 2860 Non-stop Boeing 737-900 (739) 4:08 Effective 2025-06-17 through 2025-06-19 Codeshare flight, operated by United Airlines.(UA 2720)
Sun 15:47 Dulles, Washington (IAD) 17:55 Denver (DEN) Copa Airlines CM 2860 Non-stop Boeing 737-900 (739) 4:08 Operates only on 2025-06-08 Codeshare flight, operated by United Airlines.(UA 2720)
Sun 15:47 Dulles, Washington (IAD) 17:55 Denver (DEN) Copa Airlines CM 2860 Non-stop Boeing 737-900 (739) 4:08 Operates only on 2025-06-22 Codeshare flight, operated by United Airlines.(UA 2720)
Daily 15:55 Dulles, Washington (IAD) 17:59 Denver (DEN) Copa Airlines CM 2860 Non-stop Boeing 737-900 (739) 4:04 Valid until 2025-05-21 Codeshare flight, operated by United Airlines.(UA 1748)
Daily 15:56 Dulles, Washington (IAD) 18:04 Denver (DEN) Copa Airlines CM 2860 Non-stop Boeing 737-900 (739) 4:08 Effective 2025-06-26 through 2025-07-31 Codeshare flight, operated by United Airlines.(UA 2718)
Mon-Fri,Sun 15:56 Dulles, Washington (IAD) 18:04 Denver (DEN) Copa Airlines CM 2860 Non-stop Boeing 737-900 (739) 4:08 Effective 2025-08-01 through 2025-08-18 Codeshare flight, operated by United Airlines.(UA 2732)
Sat 15:56 Dulles, Washington (IAD) 18:04 Denver (DEN) Copa Airlines CM 2860 Non-stop Boeing 737 MAX 9 (7M9) 4:08 Effective 2025-08-02 through 2025-08-16 Codeshare flight, operated by United Airlines.(UA 2732)
Daily 16:00 Dulles, Washington (IAD) 17:52 Denver (DEN) Copa Airlines CM 2860 Non-stop Boeing 737-900 (739) 3:52 Effective 2025-09-25 through 2025-10-25 Codeshare flight, operated by United Airlines.(UA 2852)
Daily 16:08 Dulles, Washington (IAD) 17:53 Denver (DEN) Copa Airlines CM 2860 Non-stop Boeing 737-900 (739) 3:45 Effective 2025-08-19 through 2025-09-24 Codeshare flight, operated by United Airlines.(UA 2852)
Daily 16:08 Dulles, Washington (IAD) 17:53 Denver (DEN) Copa Airlines CM 2860 Non-stop Boeing 737-900 (739) 3:45 Effective from 2025-10-26 Codeshare flight, operated by United Airlines.(UA 2852)
Daily 22:05 Dulles, Washington (IAD) 23:50 Denver (DEN) Copa Airlines CM 2861 Non-stop Boeing 737-900 (739) 3:45 Effective 2025-08-20 through 2025-09-24 Codeshare flight, operated by United Airlines.(UA 495)
Daily 22:05 Dulles, Washington (IAD) 23:54 Denver (DEN) Copa Airlines CM 2861 Non-stop Airbus A321neo (32Q) 3:49 Effective 2025-09-25 through 2025-10-25 Codeshare flight, operated by United Airlines.(UA 495)
Daily 22:05 Dulles, Washington (IAD) 23:50 Denver (DEN) Copa Airlines CM 2861 Non-stop Boeing 737-900 (739) 3:45 Effective from 2025-10-26 Codeshare flight, operated by United Airlines.(UA 495)
Mon,Thu-Sun 22:19 Dulles, Washington (IAD) 00:15 Denver (DEN) Copa Airlines CM 2861 Non-stop Boeing 737 MAX 9 (7M9) 3:56 Effective 2025-05-22 through 2025-05-26 Codeshare flight, operated by United Airlines.(UA 495) The flight arrives 1 day after departure.
Tue 22:19 Dulles, Washington (IAD) 00:12 Denver (DEN) Copa Airlines CM 2861 Non-stop Boeing 757-300 (753) 3:53 Effective 2025-05-27 through 2025-06-24 Codeshare flight, operated by United Airlines.(UA 495) The flight arrives 1 day after departure.
Wed-Fri 22:19 Dulles, Washington (IAD) 00:15 Denver (DEN) Copa Airlines CM 2861 Non-stop Boeing 737-900 (739) 3:56 Effective 2025-05-28 through 2025-05-30 Codeshare flight, operated by United Airlines.(UA 495) The flight arrives 1 day after departure.
Mon,Wed-Sun 22:19 Dulles, Washington (IAD) 00:15 Denver (DEN) Copa Airlines CM 2861 Non-stop Boeing 737 MAX 9 (7M9) 3:56 Effective 2025-05-31 through 2025-06-23 Codeshare flight, operated by United Airlines.(UA 495) The flight arrives 1 day after departure.
Wed 22:19 Dulles, Washington (IAD) 00:15 Denver (DEN) Copa Airlines CM 2861 Non-stop Airbus A321neo (32Q) 3:56 Operates only on 2025-06-25 Codeshare flight, operated by United Airlines.(UA 495) The flight arrives 1 day after departure.
Daily 22:25 Dulles, Washington (IAD) 00:30 Denver (DEN) Copa Airlines CM 2861 Non-stop Boeing 737 MAX 9 (7M9) 4:05 Valid until 2025-05-19 Codeshare flight, operated by United Airlines.(UA 1672) The flight arrives 1 day after departure.
Tue 22:25 Dulles, Washington (IAD) 00:30 Denver (DEN) Copa Airlines CM 2861 Non-stop Boeing 737-900 (739) 4:05 Operates only on 2025-05-20 Codeshare flight, operated by United Airlines.(UA 1672) The flight arrives 1 day after departure.
Wed 22:25 Dulles, Washington (IAD) 00:30 Denver (DEN) Copa Airlines CM 2861 Non-stop Boeing 737 MAX 9 (7M9) 4:05 Operates only on 2025-05-21 Codeshare flight, operated by United Airlines.(UA 1672) The flight arrives 1 day after departure.
Daily 22:34 Dulles, Washington (IAD) 00:30 Denver (DEN) Copa Airlines CM 2861 Non-stop Airbus A321neo (32Q) 3:56 Effective 2025-06-27 through 2025-07-03 Codeshare flight, operated by United Airlines.(UA 495) The flight arrives 1 day after departure.
Fri 22:34 Dulles, Washington (IAD) 00:30 Denver (DEN) Copa Airlines CM 2861 Non-stop Boeing 737 MAX 9 (7M9) 3:56 Operates only on 2025-07-04 Codeshare flight, operated by United Airlines.(UA 495) The flight arrives 1 day after departure.
Sat 22:34 Dulles, Washington (IAD) 00:27 Denver (DEN) Copa Airlines CM 2861 Non-stop Boeing 757-300 (753) 3:53 Operates only on 2025-07-05 Codeshare flight, operated by United Airlines.(UA 495) The flight arrives 1 day after departure.
Daily 22:34 Dulles, Washington (IAD) 00:30 Denver (DEN) Copa Airlines CM 2861 Non-stop Airbus A321neo (32Q) 3:56 Effective 2025-07-06 through 2025-08-18 Codeshare flight, operated by United Airlines.(UA 495) The flight arrives 1 day after departure.
Daily 14:35 Dulles, Washington (IAD) 16:24 Denver (DEN) Copa Airlines CM 2862 Non-stop Boeing 737-900 (739) 3:49 Effective 2025-08-20 through 2025-09-24 Codeshare flight, operated by United Airlines.(UA 700)
Daily 14:40 Dulles, Washington (IAD) 16:30 Denver (DEN) Copa Airlines CM 2862 Non-stop Airbus A321neo (32Q) 3:50 Effective 2025-09-25 through 2025-10-25 Codeshare flight, operated by United Airlines.(UA 700)
Mon,Thu-Sat 15:44 Dulles, Washington (IAD) 17:52 Denver (DEN) Copa Airlines CM 2862 Non-stop Boeing 737-900 (739) 4:08 Effective 2025-05-23 through 2025-05-30 Codeshare flight, operated by United Airlines.(UA 1236)

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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 Codeshare Flights:

Copa Airlines CM2859

10:10

Dulles, Washington (IAD)

12:02

Denver (DEN)

Operates only on 2025-05-01

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by United Airlines. (UA 1537)

Duration: 3:52, non-stop
Boeing 787-9 (789)

Copa Airlines CM2859

10:10

Dulles, Washington (IAD)

12:09

Denver (DEN)

Effective 2025-05-02 through 2025-05-21

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 1537)

Duration: 3:59, non-stop
Boeing 757-300 (753)

Copa Airlines CM2859

10:10

Dulles, Washington (IAD)

12:01

Denver (DEN)

Effective 2025-05-22 through 2025-06-18

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 1537)

Duration: 3:51, non-stop
Boeing 757-300 (753)

Copa Airlines CM2859

10:10

Dulles, Washington (IAD)

12:05

Denver (DEN)

Operates only on 2025-06-19

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by United Airlines. (UA 1537)

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

Copa Airlines CM2859

10:10

Dulles, Washington (IAD)

12:01

Denver (DEN)

Effective 2025-06-20 through 2025-06-25

Mon

Tue

Wed

Thu
-

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 1537)

Duration: 3:51, non-stop
Boeing 757-300 (753)

Copa Airlines CM2859

10:10

Dulles, Washington (IAD)

12:05

Denver (DEN)

Effective 2025-06-26 through 2025-07-04

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by United Airlines. (UA 2705)

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

Copa Airlines CM2859

10:10

Dulles, Washington (IAD)

12:05

Denver (DEN)

Operates only on 2025-06-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by United Airlines. (UA 2705)

Duration: 3:55, non-stop
Boeing 737 MAX 9 (7M9)

Copa Airlines CM2859

10:10

Dulles, Washington (IAD)

12:05

Denver (DEN)

Effective 2025-07-05 through 2025-07-11

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 2705)

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

Copa Airlines CM2859

10:10

Dulles, Washington (IAD)

12:05

Denver (DEN)

Effective 2025-07-12 through 2025-07-26

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by United Airlines. (UA 2705)

Duration: 3:55, non-stop
Boeing 737 MAX 9 (7M9)

Copa Airlines CM2859

10:10

Dulles, Washington (IAD)

12:05

Denver (DEN)

Effective 2025-07-13 through 2025-07-31

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by United Airlines. (UA 2705)

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

Copa Airlines CM2859

10:10

Dulles, Washington (IAD)

12:05

Denver (DEN)

Effective 2025-08-01 through 2025-08-18

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Codeshare flight, operated by United Airlines. (UA 493)

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

Copa Airlines CM2859

10:10

Dulles, Washington (IAD)

12:05

Denver (DEN)

Effective 2025-08-02 through 2025-08-17

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 493)

Duration: 3:55, non-stop
Boeing 737 MAX 9 (7M9)

Copa Airlines CM2859

10:22

Dulles, Washington (IAD)

12:18

Denver (DEN)

Effective 2025-08-19 through 2025-09-24

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 1537)

Duration: 3:56, non-stop
Boeing 757-300 (753)

Copa Airlines CM2859

10:22

Dulles, Washington (IAD)

12:18

Denver (DEN)

Effective from 2025-10-26

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 1537)

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

Copa Airlines CM2859

10:25

Dulles, Washington (IAD)

12:13

Denver (DEN)

Effective 2025-09-25 through 2025-10-25

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 1537)

Duration: 3:48, non-stop
Airbus A321neo (32Q)

Copa Airlines CM2860

06:35

Dulles, Washington (IAD)

08:24

Denver (DEN)

Effective 2025-05-23 through 2025-05-30

Mon

Tue
-

Wed
-

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 371)

Duration: 3:49, non-stop
Airbus A321neo (32Q)

Copa Airlines CM2860

06:35

Dulles, Washington (IAD)

08:24

Denver (DEN)

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

Mon

Tue

Wed
-

Thu
-

Fri

Sat
-

Sun

Codeshare flight, operated by United Airlines. (UA 2717)

Duration: 3:49, non-stop
Airbus A321neo (32Q)

Copa Airlines CM2860

06:35

Dulles, Washington (IAD)

08:24

Denver (DEN)

Effective 2025-06-10 through 2025-06-16

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 2717)

Duration: 3:49, non-stop
Airbus A321neo (32Q)

Copa Airlines CM2860

06:35

Dulles, Washington (IAD)

08:24

Denver (DEN)

Effective 2025-06-20 through 2025-06-25

Mon

Tue

Wed

Thu
-

Fri

Sat

Sun
-

Codeshare flight, operated by United Airlines. (UA 2717)

Duration: 3:49, non-stop
Airbus A321neo (32Q)

Copa Airlines CM2860

15:44

Dulles, Washington (IAD)

17:52

Denver (DEN)

Effective 2025-05-22 through 2025-05-28

Mon
-

Tue

Wed

Thu

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by United Airlines. (UA 1236)

Duration: 4:08, non-stop
Boeing 737-900 (739)

Copa Airlines CM2860

15:44

Dulles, Washington (IAD)

17:52

Denver (DEN)

Operates only on 2025-05-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by United Airlines. (UA 1236)

Duration: 4:08, non-stop
Boeing 737-900 (739)

Copa Airlines CM2860

15:44

Dulles, Washington (IAD)

17:52

Denver (DEN)

Effective 2025-06-04 through 2025-06-09

Mon

Tue
-

Wed

Thu

Fri
-

Sat

Sun
-

Codeshare flight, operated by United Airlines. (UA 2720)

Duration: 4:08, non-stop
Boeing 737-900 (739)

Copa Airlines CM2860

15:44

Dulles, Washington (IAD)

17:52

Denver (DEN)

Effective 2025-06-17 through 2025-06-19

Mon
-

Tue

Wed

Thu

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by United Airlines. (UA 2720)

Duration: 4:08, non-stop
Boeing 737-900 (739)

Copa Airlines CM2860

15:47

Dulles, Washington (IAD)

17:55

Denver (DEN)

Operates only on 2025-06-08

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by United Airlines. (UA 2720)

Duration: 4:08, non-stop
Boeing 737-900 (739)

Copa Airlines CM2860

15:47

Dulles, Washington (IAD)

17:55

Denver (DEN)

Operates only on 2025-06-22

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by United Airlines. (UA 2720)

Duration: 4:08, non-stop
Boeing 737-900 (739)

Copa Airlines CM2860

15:55

Dulles, Washington (IAD)

17:59

Denver (DEN)

Valid until 2025-05-21

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 1748)

Duration: 4:04, non-stop
Boeing 737-900 (739)

Copa Airlines CM2860

15:56

Dulles, Washington (IAD)

18:04

Denver (DEN)

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 2718)

Duration: 4:08, non-stop
Boeing 737-900 (739)

Copa Airlines CM2860

15:56

Dulles, Washington (IAD)

18:04

Denver (DEN)

Effective 2025-08-01 through 2025-08-18

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by United Airlines. (UA 2732)

Duration: 4:08, non-stop
Boeing 737-900 (739)

Copa Airlines CM2860

15:56

Dulles, Washington (IAD)

18:04

Denver (DEN)

Effective 2025-08-02 through 2025-08-16

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by United Airlines. (UA 2732)

Duration: 4:08, non-stop
Boeing 737 MAX 9 (7M9)

Copa Airlines CM2860

16:00

Dulles, Washington (IAD)

17:52

Denver (DEN)

Effective 2025-09-25 through 2025-10-25

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 2852)

Duration: 3:52, non-stop
Boeing 737-900 (739)

Copa Airlines CM2860

16:08

Dulles, Washington (IAD)

17:53

Denver (DEN)

Effective 2025-08-19 through 2025-09-24

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 2852)

Duration: 3:45, non-stop
Boeing 737-900 (739)

Copa Airlines CM2860

16:08

Dulles, Washington (IAD)

17:53

Denver (DEN)

Effective from 2025-10-26

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 2852)

Duration: 3:45, non-stop
Boeing 737-900 (739)

Copa Airlines CM2861

22:05

Dulles, Washington (IAD)

23:50

Denver (DEN)

Effective 2025-08-20 through 2025-09-24

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 495)

Duration: 3:45, non-stop
Boeing 737-900 (739)

Copa Airlines CM2861

22:05

Dulles, Washington (IAD)

23:54

Denver (DEN)

Effective 2025-09-25 through 2025-10-25

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 495)

Duration: 3:49, non-stop
Airbus A321neo (32Q)

Copa Airlines CM2861

22:05

Dulles, Washington (IAD)

23:50

Denver (DEN)

Effective from 2025-10-26

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 495)

Duration: 3:45, non-stop
Boeing 737-900 (739)

Copa Airlines CM2861

22:19

Dulles, Washington (IAD)

00:15(+1)

Denver (DEN)

Effective 2025-05-22 through 2025-05-26

Mon

Tue
-

Wed
-

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 495)

Duration: 3:56, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

Copa Airlines CM2861

22:19

Dulles, Washington (IAD)

00:12(+1)

Denver (DEN)

Effective 2025-05-27 through 2025-06-24

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by United Airlines. (UA 495)

Duration: 3:53, non-stop
Boeing 757-300 (753)
The flight arrives 1 day after departure.

Copa Airlines CM2861

22:19

Dulles, Washington (IAD)

00:15(+1)

Denver (DEN)

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

Mon
-

Tue
-

Wed

Thu

Fri

Sat
-

Sun
-

Codeshare flight, operated by United Airlines. (UA 495)

Duration: 3:56, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.

Copa Airlines CM2861

22:19

Dulles, Washington (IAD)

00:15(+1)

Denver (DEN)

Effective 2025-05-31 through 2025-06-23

Mon

Tue
-

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 495)

Duration: 3:56, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

Copa Airlines CM2861

22:19

Dulles, Washington (IAD)

00:15(+1)

Denver (DEN)

Operates only on 2025-06-25

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by United Airlines. (UA 495)

Duration: 3:56, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.

Copa Airlines CM2861

22:25

Dulles, Washington (IAD)

00:30(+1)

Denver (DEN)

Valid until 2025-05-19

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 1672)

Duration: 4:05, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

Copa Airlines CM2861

22:25

Dulles, Washington (IAD)

00:30(+1)

Denver (DEN)

Operates only on 2025-05-20

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by United Airlines. (UA 1672)

Duration: 4:05, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.

Copa Airlines CM2861

22:25

Dulles, Washington (IAD)

00:30(+1)

Denver (DEN)

Operates only on 2025-05-21

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by United Airlines. (UA 1672)

Duration: 4:05, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

Copa Airlines CM2861

22:34

Dulles, Washington (IAD)

00:30(+1)

Denver (DEN)

Effective 2025-06-27 through 2025-07-03

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 495)

Duration: 3:56, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.

Copa Airlines CM2861

22:34

Dulles, Washington (IAD)

00:30(+1)

Denver (DEN)

Operates only on 2025-07-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Codeshare flight, operated by United Airlines. (UA 495)

Duration: 3:56, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

Copa Airlines CM2861

22:34

Dulles, Washington (IAD)

00:27(+1)

Denver (DEN)

Operates only on 2025-07-05

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by United Airlines. (UA 495)

Duration: 3:53, non-stop
Boeing 757-300 (753)
The flight arrives 1 day after departure.

Copa Airlines CM2861

22:34

Dulles, Washington (IAD)

00:30(+1)

Denver (DEN)

Effective 2025-07-06 through 2025-08-18

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 495)

Duration: 3:56, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.

Copa Airlines CM2862

14:35

Dulles, Washington (IAD)

16:24

Denver (DEN)

Effective 2025-08-20 through 2025-09-24

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 700)

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

Copa Airlines CM2862

14:40

Dulles, Washington (IAD)

16:30

Denver (DEN)

Effective 2025-09-25 through 2025-10-25

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 700)

Duration: 3:50, non-stop
Airbus A321neo (32Q)

Copa Airlines CM2862

15:44

Dulles, Washington (IAD)

17:52

Denver (DEN)

Effective 2025-05-23 through 2025-05-30

Mon

Tue
-

Wed
-

Thu

Fri

Sat

Sun
-

Codeshare flight, operated by United Airlines. (UA 1236)

Duration: 4:08, non-stop
Boeing 737-900 (739)

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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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