Copa Airlines flight CM 1451: Houston George Bush - Harlingen

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 14:40 Houston George Bush (IAH) B 16:04 Harlingen (HRL)
CM 1451 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:24 Effective 2026-03-05 through 2026-03-22
Codeshare flight, operated by United Airlines.(UA 4344)
Mon-Sat 20:30 Houston George Bush (IAH) B 21:56 Harlingen (HRL)
CM 1451 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:26 Effective 2026-03-23 through 2026-03-28
Codeshare flight, operated by United Airlines.(UA 4919)
Sun 20:30 Houston George Bush (IAH) B 21:44 Harlingen (HRL)
CM 1451 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:14 Operates only on 2026-10-25
Codeshare flight, operated by United Airlines.(UA 4919)
Mon,Tue,Thu-Sun 20:33 Houston George Bush (IAH) B 21:59 Harlingen (HRL)
CM 1451 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:26 Valid until 2026-01-05
Codeshare flight, operated by United Airlines.(UA 4919)
Daily 20:33 Houston George Bush (IAH) B 21:59 Harlingen (HRL)
CM 1451 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:26 Effective 2026-02-12 through 2026-03-04
Codeshare flight, operated by United Airlines.(UA 4919)
Daily 20:35 Houston George Bush (IAH) B 21:59 Harlingen (HRL)
CM 1451 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:24 Effective 2026-01-06 through 2026-02-11
Codeshare flight, operated by United Airlines.(UA 4919)
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Copa Airlines flight CM 1451:
Houston George Bush - Harlingen
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Copa Airlines CM1451
14:40
Houston George Bush (IAH) B

16:04
Harlingen (HRL)
Effective 2026-03-05 through 2026-03-22
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4344)
Duration: 1:24, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Codeshare Flights:
Copa Airlines CM1451
20:30
Houston George Bush (IAH) B

21:56
Harlingen (HRL)
Effective 2026-03-23 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 4919)
Duration: 1:26, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Codeshare Flights:
Copa Airlines CM1451
20:30
Houston George Bush (IAH) B

21:44
Harlingen (HRL)
Operates only on 2026-10-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 4919)
Duration: 1:14, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Codeshare Flights:
Copa Airlines CM1451
20:33
Houston George Bush (IAH) B

21:59
Harlingen (HRL)
Valid until 2026-01-05
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4919)
Duration: 1:26, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Codeshare Flights:
Copa Airlines CM1451
20:33
Houston George Bush (IAH) B

21:59
Harlingen (HRL)
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4919)
Duration: 1:26, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Codeshare Flights:
Copa Airlines CM1451
20:35
Houston George Bush (IAH) B

21:59
Harlingen (HRL)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4919)
Duration: 1:24, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
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  • CM 1451 is a domestic flight departing from the Houston George Bush airport (IAH) and arriving at Harlingen airport (HRL).
  • The flight distance is 295 miles, or 475 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 1:14 and 1:26.
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