Copa Airlines flight CM 1234: Phoenix Sky Harbor - Denver

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Tue,Thu 15:30 Phoenix Sky Harbor (PHX) 3 18:25 Denver (DEN)
CM 1234 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Effective 2026-03-31 through 2026-04-07
Codeshare flight, operated by United Airlines.(UA 1226)
Mon,Wed,Fri,Sat 15:30 Phoenix Sky Harbor (PHX) 3 18:25 Denver (DEN)
CM 1234 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Effective 2026-04-11 through 2026-04-17
Codeshare flight, operated by United Airlines.(UA 1226)
Fri-Sun 15:30 Phoenix Sky Harbor (PHX) 3 18:25 Denver (DEN)
CM 1234 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Effective 2026-04-24 through 2026-04-26
Codeshare flight, operated by United Airlines.(UA 1226)
Fri,Sun 15:30 Phoenix Sky Harbor (PHX) 3 18:25 Denver (DEN)
CM 1234 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Effective 2026-05-03 through 2026-05-08
Codeshare flight, operated by United Airlines.(UA 1226)
Mon,Sat 15:30 Phoenix Sky Harbor (PHX) 3 18:25 Denver (DEN)
CM 1234 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Effective 2026-05-11 through 2026-05-16
Codeshare flight, operated by United Airlines.(UA 1226)
Wed 15:30 Phoenix Sky Harbor (PHX) 3 18:25 Denver (DEN)
CM 1234 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Operates only on 2026-05-20
Codeshare flight, operated by United Airlines.(UA 1226)
Mon,Fri 15:30 Phoenix Sky Harbor (PHX) 3 18:14 Denver (DEN)
CM 1234 Non-stop Boeing 737-800 (738) 1:44 Effective from 2026-10-26
Codeshare flight, operated by United Airlines.(UA 1226)
Daily 15:35 Phoenix Sky Harbor (PHX) 3 18:25 Denver (DEN)
CM 1234 Non-stop Boeing 737-900 (739) 1:50 Effective 2026-03-08 through 2026-03-28
Codeshare flight, operated by United Airlines.(UA 377)
Mon,Wed-Sat 16:34 Phoenix Sky Harbor (PHX) 3 19:29 Denver (DEN)
CM 1234 Non-stop Boeing 737 MAX 9 (7M9) 1:55 Effective 2026-04-30 through 2026-05-07
Codeshare flight, operated by United Airlines.(UA 624)
Wed-Sun 16:34 Phoenix Sky Harbor (PHX) 3 19:29 Denver (DEN)
CM 1234 Non-stop Boeing 737 MAX 9 (7M9) 1:55 Effective 2026-05-09 through 2026-05-15
Codeshare flight, operated by United Airlines.(UA 624)
Mon,Sun 16:34 Phoenix Sky Harbor (PHX) 3 19:29 Denver (DEN)
CM 1234 Non-stop Boeing 737 MAX 9 (7M9) 1:55 Effective 2026-05-17 through 2026-05-18
Codeshare flight, operated by United Airlines.(UA 624)
Wed,Thu,Sat,Sun 16:34 Phoenix Sky Harbor (PHX) 3 19:18 Denver (DEN)
CM 1234 Non-stop Boeing 737-800 (738) 1:44 Effective from 2026-10-25
Codeshare flight, operated by United Airlines.(UA 624)
Mon,Wed,Fri-Sun 16:45 Phoenix Sky Harbor (PHX) 3 19:40 Denver (DEN)
CM 1234 Non-stop Boeing 737-900 (739) 1:55 Effective 2026-03-29 through 2026-04-08
Codeshare flight, operated by United Airlines.(UA 624)
Thu,Fri,Sun 16:45 Phoenix Sky Harbor (PHX) 3 19:40 Denver (DEN)
CM 1234 Non-stop Boeing 737-900 (739) 1:55 Effective 2026-04-09 through 2026-04-16
Codeshare flight, operated by United Airlines.(UA 624)
Mon,Wed,Thu,Sat,Sun 16:45 Phoenix Sky Harbor (PHX) 3 19:40 Denver (DEN)
CM 1234 Non-stop Boeing 737-900 (739) 1:55 Effective 2026-04-18 through 2026-04-23
Codeshare flight, operated by United Airlines.(UA 624)
Mon,Wed 16:45 Phoenix Sky Harbor (PHX) 3 19:40 Denver (DEN)
CM 1234 Non-stop Boeing 737-900 (739) 1:55 Effective 2026-04-27 through 2026-04-29
Codeshare flight, operated by United Airlines.(UA 624)
Thu-Sat 17:30 Phoenix Sky Harbor (PHX) 3 19:23 Denver (DEN)
CM 1234 Non-stop Boeing 737 MAX 9 (7M9) 1:53 Effective 2026-03-05 through 2026-03-07
Codeshare flight, operated by United Airlines.(UA 1637)
Mon-Fri,Sun 17:34 Phoenix Sky Harbor (PHX) 3 19:30 Denver (DEN)
CM 1234 Non-stop Boeing 737-800 (738) 1:56 Effective 2026-01-06 through 2026-02-11
Codeshare flight, operated by United Airlines.(UA 1637)
Daily 17:36 Phoenix Sky Harbor (PHX) 3 19:29 Denver (DEN)
CM 1234 Non-stop Boeing 737 MAX 9 (7M9) 1:53 Effective 2026-02-12 through 2026-03-04
Codeshare flight, operated by United Airlines.(UA 1637)
Daily 17:40 Phoenix Sky Harbor (PHX) 3 19:36 Denver (DEN)
CM 1234 Non-stop Boeing 737-800 (738) 1:56 Valid until 2026-01-05
Codeshare flight, operated by United Airlines.(UA 1637)
Sat 17:42 Phoenix Sky Harbor (PHX) 3 19:38 Denver (DEN)
CM 1234 Non-stop Boeing 737-800 (738) 1:56 Effective 2026-01-10 through 2026-02-07
Codeshare flight, operated by United Airlines.(UA 1637)
Mon,Wed-Sun 18:30 Phoenix Sky Harbor (PHX) 3 21:17 Denver (DEN)
CM 1234 Non-stop Boeing 737-800 (738) 1:47 Effective 2026-05-21 through 2026-05-31
Codeshare flight, operated by United Airlines.(UA 1637)
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Copa Airlines flight CM 1234:
Phoenix Sky Harbor - Denver
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Copa Airlines CM1234
15:30
Phoenix Sky Harbor (PHX) 3

18:25
Denver (DEN)
Effective 2026-03-31 through 2026-04-07
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1226)
Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Copa Airlines CM1234
15:30
Phoenix Sky Harbor (PHX) 3

18:25
Denver (DEN)
Effective 2026-04-11 through 2026-04-17
Mon
Tue
-
Wed
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 1226)
Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Copa Airlines CM1234
15:30
Phoenix Sky Harbor (PHX) 3

18:25
Denver (DEN)
Effective 2026-04-24 through 2026-04-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1226)
Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Copa Airlines CM1234
15:30
Phoenix Sky Harbor (PHX) 3

18:25
Denver (DEN)
Effective 2026-05-03 through 2026-05-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1226)
Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Copa Airlines CM1234
15:30
Phoenix Sky Harbor (PHX) 3

18:25
Denver (DEN)
Effective 2026-05-11 through 2026-05-16
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 1226)
Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Copa Airlines CM1234
15:30
Phoenix Sky Harbor (PHX) 3

18:25
Denver (DEN)
Operates only on 2026-05-20
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1226)
Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Copa Airlines CM1234
15:30
Phoenix Sky Harbor (PHX) 3

18:14
Denver (DEN)
Effective from 2026-10-26
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1226)
Duration: 1:44, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Copa Airlines CM1234
15:35
Phoenix Sky Harbor (PHX) 3

18:25
Denver (DEN)
Effective 2026-03-08 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 377)
Duration: 1:50, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Copa Airlines CM1234
16:34
Phoenix Sky Harbor (PHX) 3

19:29
Denver (DEN)
Effective 2026-04-30 through 2026-05-07
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 624)
Duration: 1:55, non-stop
Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Copa Airlines CM1234
16:34
Phoenix Sky Harbor (PHX) 3

19:29
Denver (DEN)
Effective 2026-05-09 through 2026-05-15
Mon
-
Tue
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 624)
Duration: 1:55, non-stop
Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Copa Airlines CM1234
16:34
Phoenix Sky Harbor (PHX) 3

19:29
Denver (DEN)
Effective 2026-05-17 through 2026-05-18
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 624)
Duration: 1:55, non-stop
Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Copa Airlines CM1234
16:34
Phoenix Sky Harbor (PHX) 3

19:18
Denver (DEN)
Effective from 2026-10-25
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 624)
Duration: 1:44, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Copa Airlines CM1234
16:45
Phoenix Sky Harbor (PHX) 3

19:40
Denver (DEN)
Effective 2026-03-29 through 2026-04-08
Mon
Tue
-
Wed
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 624)
Duration: 1:55, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Copa Airlines CM1234
16:45
Phoenix Sky Harbor (PHX) 3

19:40
Denver (DEN)
Effective 2026-04-09 through 2026-04-16
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 624)
Duration: 1:55, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Copa Airlines CM1234
16:45
Phoenix Sky Harbor (PHX) 3

19:40
Denver (DEN)
Effective 2026-04-18 through 2026-04-23
Mon
Tue
-
Wed
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 624)
Duration: 1:55, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Copa Airlines CM1234
16:45
Phoenix Sky Harbor (PHX) 3

19:40
Denver (DEN)
Effective 2026-04-27 through 2026-04-29
Mon
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 624)
Duration: 1:55, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Copa Airlines CM1234
17:30
Phoenix Sky Harbor (PHX) 3

19:23
Denver (DEN)
Effective 2026-03-05 through 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 1637)
Duration: 1:53, non-stop
Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Copa Airlines CM1234
17:34
Phoenix Sky Harbor (PHX) 3

19:30
Denver (DEN)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1637)
Duration: 1:56, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Copa Airlines CM1234
17:36
Phoenix Sky Harbor (PHX) 3

19:29
Denver (DEN)
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1637)
Duration: 1:53, non-stop
Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Copa Airlines CM1234
17:40
Phoenix Sky Harbor (PHX) 3

19:36
Denver (DEN)
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1637)
Duration: 1:56, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Copa Airlines CM1234
17:42
Phoenix Sky Harbor (PHX) 3

19:38
Denver (DEN)
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 1637)
Duration: 1:56, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Copa Airlines CM1234
18:30
Phoenix Sky Harbor (PHX) 3

21:17
Denver (DEN)
Effective 2026-05-21 through 2026-05-31
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1637)
Duration: 1:47, non-stop
Boeing 737-800 (738)
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Parallax here PHX-DEN
  • CM 1234 is a domestic flight departing from the Phoenix Sky Harbor airport (PHX) and arriving at Denver airport (DEN).
  • The flight distance is 601 miles, or 968 km.
  • The timezone of both the departure and the arrival airports is UTC-7 . Current time at both airports is (loading...).
  • For direct flights, the flight time varies between 1:44 and 1:56.
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