Copa Airlines flight CM 1639: Oklahoma City - Houston George Bush

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 07:00 Oklahoma City (OKC) 08:48 Houston George Bush (IAH) B
CM 1639 Non-stop Embraer EMB 175 (E7W) 1:48 Valid until 2026-01-05
Codeshare flight, operated by United Airlines.(UA 5520)
Daily 07:00 Oklahoma City (OKC) 08:45 Houston George Bush (IAH) B
CM 1639 Non-stop Embraer EMB 175 (E7W) 1:45 Effective 2026-01-06 through 2026-02-03
Codeshare flight, operated by United Airlines.(UA 5520)
Daily 07:00 Oklahoma City (OKC) 08:45 Houston George Bush (IAH) B
CM 1639 Non-stop Embraer EMB 175 (E7W) 1:45 Effective 2026-02-05 through 2026-02-11
Codeshare flight, operated by United Airlines.(UA 5520)
Daily 07:05 Oklahoma City (OKC) 08:48 Houston George Bush (IAH) B
CM 1639 Non-stop Embraer EMB 175 (E7W) 1:43 Effective 2026-03-29 through 2026-05-20
Codeshare flight, operated by United Airlines.(UA 5503)
Daily 07:06 Oklahoma City (OKC) 08:48 Houston George Bush (IAH) B
CM 1639 Non-stop Embraer EMB 175 (E7W) 1:42 Effective 2026-02-12 through 2026-03-04
Codeshare flight, operated by United Airlines.(UA 5520)
Daily 07:08 Oklahoma City (OKC) 08:50 Houston George Bush (IAH) B
CM 1639 Non-stop Embraer EMB 175 (E7W) 1:42 Effective 2026-03-05 through 2026-03-28
Codeshare flight, operated by United Airlines.(UA 5503)
Daily 07:17 Oklahoma City (OKC) 08:45 Houston George Bush (IAH) B
CM 1639 Non-stop Embraer EMB 175 (E7W) 1:28 Effective from 2026-05-21
Codeshare flight, operated by United Airlines.(UA 5503)
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Copa Airlines flight CM 1639:
Oklahoma City - Houston George Bush
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

Copa Airlines CM1639
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 5520)
Duration: 1:48, non-stop
Embraer EMB 175 (E7W)

Direct Codeshare Flights:

Copa Airlines CM1639
Effective 2026-01-06 through 2026-02-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 5520)
Duration: 1:45, non-stop
Embraer EMB 175 (E7W)

Direct Codeshare Flights:

Copa Airlines CM1639
Effective 2026-02-05 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 5520)
Duration: 1:45, non-stop
Embraer EMB 175 (E7W)

Direct Codeshare Flights:

Copa Airlines CM1639
Effective 2026-03-29 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 5503)
Duration: 1:43, non-stop
Embraer EMB 175 (E7W)

Direct Codeshare Flights:

Copa Airlines CM1639
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 5520)
Duration: 1:42, non-stop
Embraer EMB 175 (E7W)

Direct Codeshare Flights:

Copa Airlines CM1639
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 5503)
Duration: 1:42, non-stop
Embraer EMB 175 (E7W)

Direct Codeshare Flights:

Copa Airlines CM1639
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 5503)
Duration: 1:28, non-stop
Embraer EMB 175 (E7W)
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  • CM 1639 is a domestic flight departing from the Oklahoma City airport (OKC) and arriving at Houston George Bush 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 1:48.