Copa Airlines flight CM 1638: Oklahoma City - George Bush, Houston

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 05:00 Oklahoma City (OKC) 06:34 George Bush, Houston (IAH) B
CM 1638 Non-stop Embraer EMB 175 (E7W) 1:34 Valid until 2025-05-21
Codeshare flight, operated by United Airlines.(UA 6146)
Daily 05:00 Oklahoma City (OKC) 06:32 George Bush, Houston (IAH) B
CM 1638 Non-stop Embraer EMB 175 (E7W) 1:32 Effective 2025-08-19 through 2025-10-25
Codeshare flight, operated by United Airlines.(UA 6259)
Daily 05:05 Oklahoma City (OKC) 06:37 George Bush, Houston (IAH) B
CM 1638 Non-stop Embraer EMB 175 (E7W) 1:32 Effective 2025-05-22 through 2025-07-03
Codeshare flight, operated by United Airlines.(UA 5453)
Daily 05:05 Oklahoma City (OKC) 06:37 George Bush, Houston (IAH) B
CM 1638 Non-stop Embraer EMB 175 (E7W) 1:32 Effective 2025-07-05 through 2025-08-18
Codeshare flight, operated by United Airlines.(UA 5453)
Daily 05:10 Oklahoma City (OKC) 06:38 George Bush, Houston (IAH) B
CM 1638 Non-stop Embraer EMB 175 (E7W) 1:28 Effective from 2025-10-26
Codeshare flight, operated by United Airlines.(UA 5453)
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Copa Airlines flight CM 1638:
Oklahoma City - George Bush, Houston
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Copa Airlines CM1638
05:00
Oklahoma City (OKC)

06:34
George Bush, Houston (IAH) B
Valid until 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 6146)
Duration: 1:34, non-stop
Embraer EMB 175 (E7W)
Copa Airlines CM1638
05:00
Oklahoma City (OKC)

06:32
George Bush, Houston (IAH) B
Effective 2025-08-19 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 6259)
Duration: 1:32, non-stop
Embraer EMB 175 (E7W)
Copa Airlines CM1638
05:05
Oklahoma City (OKC)

06:37
George Bush, Houston (IAH) B
Effective 2025-05-22 through 2025-07-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 5453)
Duration: 1:32, non-stop
Embraer EMB 175 (E7W)
Copa Airlines CM1638
05:05
Oklahoma City (OKC)

06:37
George Bush, Houston (IAH) B
Effective 2025-07-05 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 5453)
Duration: 1:32, non-stop
Embraer EMB 175 (E7W)
Copa Airlines CM1638
05:10
Oklahoma City (OKC)

06:38
George Bush, Houston (IAH) B
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 5453)
Duration: 1:28, non-stop
Embraer EMB 175 (E7W)
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  • CM 1638 is a domestic flight departing from the Oklahoma City airport (OKC) and arriving at George Bush, Houston airport (IAH).
  • 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 1:28 and 1:34.
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