Copa Airlines flight CM 2858: Washington Dulles - Denver

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Tue 17:15 Washington Dulles (IAD) 19:28 Denver (DEN)
CM 2858 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)
CM 2858 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)
CM 2858 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)
CM 2858 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)
CM 2858 Non-stop Boeing 757-300 (753) 3:46 Effective from 2026-05-21
Codeshare flight, operated by United Airlines.(UA 599)
Daily 17:19 Washington Dulles (IAD) 19:40 Denver (DEN)
CM 2858 Non-stop Boeing 757-300 (753) 4:21 Effective 2026-02-12 through 2026-03-04
Codeshare flight, operated by United Airlines.(UA 2693)
Daily 17:19 Washington Dulles (IAD) 19:40 Denver (DEN)
CM 2858 Non-stop Boeing 737-900 (739) 4:21 Effective 2026-03-05 through 2026-03-28
Codeshare flight, operated by United Airlines.(UA 599)
Daily 17:19 Washington Dulles (IAD) 19:27 Denver (DEN)
CM 2858 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)
CM 2858 Non-stop Boeing 777 (777) 4:08 Valid until 2026-01-05
Codeshare flight, operated by United Airlines.(UA 599)
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Copa Airlines flight CM 2858:
Washington Dulles - Denver
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

Copa Airlines CM2858
Operates only on 2026-01-06
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 599)
Duration: 4:13, non-stop
Airbus A321neo (32Q)

Direct Codeshare Flights:

Copa Airlines CM2858
Effective 2026-01-07 through 2026-02-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 599)
Duration: 4:11, non-stop
Boeing 737 MAX 9 (7M9)

Direct Codeshare Flights:

Copa Airlines CM2858
Operates only on 2026-02-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 599)
Duration: 4:13, non-stop
Airbus A321neo (32Q)

Direct Codeshare Flights:

Copa Airlines CM2858
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 599)
Duration: 4:08, non-stop
Boeing 757-300 (753)

Direct Codeshare Flights:

Copa Airlines CM2858
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 599)
Duration: 3:46, non-stop
Boeing 757-300 (753)

Direct Codeshare Flights:

Copa Airlines CM2858
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2693)
Duration: 4:21, non-stop
Boeing 757-300 (753)

Direct Codeshare Flights:

Copa Airlines CM2858
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 599)
Duration: 4:21, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Copa Airlines CM2858
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 599)
Duration: 4:08, non-stop
Boeing 757-300 (753)

Direct Codeshare Flights:

Copa Airlines CM2858
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 599)
Duration: 4:08, non-stop
Boeing 777 (777)
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  • CM 2858 is a domestic flight 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 3:46 and 4:21.