Copa Airlines flight CM 1636: Houston George Bush - Oklahoma City

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Tue 14:20 Houston George Bush (IAH) B 15:56 Oklahoma City (OKC)
CM 1636 Non-stop Embraer EMB 175 (E7W) 1:36 Effective 2026-03-10 through 2026-03-24
Codeshare flight, operated by United Airlines.(UA 3999)
Thu 14:35 Houston George Bush (IAH) B 16:13 Oklahoma City (OKC)
CM 1636 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:38 Operates only on 2026-01-08
Codeshare flight, operated by United Airlines.(UA 4287)
Fri 14:35 Houston George Bush (IAH) B 16:13 Oklahoma City (OKC)
CM 1636 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:38 Operates only on 2026-01-16
Codeshare flight, operated by United Airlines.(UA 4287)
Thu 14:35 Houston George Bush (IAH) B 16:13 Oklahoma City (OKC)
CM 1636 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:38 Operates only on 2026-01-29
Codeshare flight, operated by United Airlines.(UA 4287)
Mon-Fri,Sun 14:35 Houston George Bush (IAH) B 16:15 Oklahoma City (OKC)
CM 1636 Non-stop Embraer EMB 175 (E7W) 1:40 Effective 2026-02-12 through 2026-03-04
Codeshare flight, operated by United Airlines.(UA 5450)
Daily 14:38 Houston George Bush (IAH) B 16:09 Oklahoma City (OKC)
CM 1636 Non-stop Embraer EMB 175 (E7W) 1:31 Effective 2026-05-21 through 2026-08-11
Codeshare flight, operated by United Airlines.(UA 5450)
Daily 14:38 Houston George Bush (IAH) B 16:09 Oklahoma City (OKC)
CM 1636 Non-stop Embraer EMB 175 (E7W) 1:31 Effective from 2026-10-26
Codeshare flight, operated by United Airlines.(UA 5450)
Mon,Tue,Thu,Fri,Sun 14:40 Houston George Bush (IAH) B 16:19 Oklahoma City (OKC)
CM 1636 Non-stop Embraer EMB 175 (E7W) 1:39 Valid until 2026-01-05
Codeshare flight, operated by United Airlines.(UA 6334)
Daily 14:40 Houston George Bush (IAH) B 16:17 Oklahoma City (OKC)
CM 1636 Non-stop Embraer EMB 175 (E7W) 1:37 Effective 2026-04-30 through 2026-05-20
Codeshare flight, operated by United Airlines.(UA 5450)
Sat 16:20 Houston George Bush (IAH) B 17:59 Oklahoma City (OKC)
CM 1636 Non-stop Embraer EMB 175 (E7W) 1:39 Valid until 2026-01-03
Codeshare flight, operated by United Airlines.(UA 6334)
Sat 16:25 Houston George Bush (IAH) B 18:02 Oklahoma City (OKC)
CM 1636 Non-stop Embraer EMB 175 (E7W) 1:37 Effective 2026-02-14 through 2026-02-28
Codeshare flight, operated by United Airlines.(UA 5450)
Mon-Wed,Fri-Sun 16:40 Houston George Bush (IAH) B 18:19 Oklahoma City (OKC)
CM 1636 Non-stop Embraer EMB 175 (E7W) 1:39 Effective 2026-01-07 through 2026-01-13
Codeshare flight, operated by United Airlines.(UA 5278)
Tue-Thu,Sat,Sun 16:40 Houston George Bush (IAH) B 18:19 Oklahoma City (OKC)
CM 1636 Non-stop Embraer EMB 175 (E7W) 1:39 Effective 2026-01-15 through 2026-01-21
Codeshare flight, operated by United Airlines.(UA 5278)
Mon,Wed,Fri-Sun 16:40 Houston George Bush (IAH) B 18:19 Oklahoma City (OKC)
CM 1636 Non-stop Embraer EMB 175 (E7W) 1:39 Effective 2026-01-23 through 2026-01-30
Codeshare flight, operated by United Airlines.(UA 5278)
Mon,Wed-Fri,Sun 16:40 Houston George Bush (IAH) B 18:19 Oklahoma City (OKC)
CM 1636 Non-stop Embraer EMB 175 (E7W) 1:39 Effective 2026-02-01 through 2026-02-09
Codeshare flight, operated by United Airlines.(UA 5278)
Tue 16:40 Houston George Bush (IAH) B 18:19 Oklahoma City (OKC)
CM 1636 Non-stop Embraer EMB 175 (E7W) 1:39 Operates only on 2026-02-10
Codeshare flight, operated by United Airlines.(UA 5278)
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Copa Airlines flight CM 1636:
Houston George Bush - Oklahoma City
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Copa Airlines CM1636
14:20
Houston George Bush (IAH) B

15:56
Oklahoma City (OKC)
Effective 2026-03-10 through 2026-03-24
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 3999)
Duration: 1:36, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Copa Airlines CM1636
14:35
Houston George Bush (IAH) B

16:13
Oklahoma City (OKC)
Operates only on 2026-01-08
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 4287)
Duration: 1:38, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Codeshare Flights:
Copa Airlines CM1636
14:35
Houston George Bush (IAH) B

16:13
Oklahoma City (OKC)
Operates only on 2026-01-16
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 4287)
Duration: 1:38, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Codeshare Flights:
Copa Airlines CM1636
14:35
Houston George Bush (IAH) B

16:13
Oklahoma City (OKC)
Operates only on 2026-01-29
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 4287)
Duration: 1:38, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Codeshare Flights:
Copa Airlines CM1636
14:35
Houston George Bush (IAH) B

16:15
Oklahoma City (OKC)
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 5450)
Duration: 1:40, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Copa Airlines CM1636
14:38
Houston George Bush (IAH) B

16:09
Oklahoma City (OKC)
Effective 2026-05-21 through 2026-08-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 5450)
Duration: 1:31, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Copa Airlines CM1636
14:38
Houston George Bush (IAH) B

16:09
Oklahoma City (OKC)
Effective from 2026-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 5450)
Duration: 1:31, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Copa Airlines CM1636
14:40
Houston George Bush (IAH) B

16:19
Oklahoma City (OKC)
Valid until 2026-01-05
Mon
Tue
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 6334)
Duration: 1:39, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Copa Airlines CM1636
14:40
Houston George Bush (IAH) B

16:17
Oklahoma City (OKC)
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 5450)
Duration: 1:37, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Copa Airlines CM1636
16:20
Houston George Bush (IAH) B

17:59
Oklahoma City (OKC)
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 6334)
Duration: 1:39, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Copa Airlines CM1636
16:25
Houston George Bush (IAH) B

18:02
Oklahoma City (OKC)
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 5450)
Duration: 1:37, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Copa Airlines CM1636
16:40
Houston George Bush (IAH) B

18:19
Oklahoma City (OKC)
Effective 2026-01-07 through 2026-01-13
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 5278)
Duration: 1:39, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Copa Airlines CM1636
16:40
Houston George Bush (IAH) B

18:19
Oklahoma City (OKC)
Effective 2026-01-15 through 2026-01-21
Mon
-
Tue
Wed
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 5278)
Duration: 1:39, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Copa Airlines CM1636
16:40
Houston George Bush (IAH) B

18:19
Oklahoma City (OKC)
Effective 2026-01-23 through 2026-01-30
Mon
Tue
-
Wed
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 5278)
Duration: 1:39, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Copa Airlines CM1636
16:40
Houston George Bush (IAH) B

18:19
Oklahoma City (OKC)
Effective 2026-02-01 through 2026-02-09
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 5278)
Duration: 1:39, non-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Copa Airlines CM1636
16:40
Houston George Bush (IAH) B

18:19
Oklahoma City (OKC)
Operates only on 2026-02-10
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 5278)
Duration: 1:39, non-stop
Embraer EMB 175 (E7W)
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Parallax here IAH-OKC
  • CM 1636 is a domestic flight departing from the Houston George Bush airport (IAH) and arriving at Oklahoma City airport (OKC).
  • The flight distance is 396 miles, or 637 km.
  • The timezone of both the departure and the arrival airports is UTC-6 . Current time at both airports is (loading...).
  • For direct flights, the flight time varies between 1:31 and 1:40.
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