Air Canada
flight
AC 3866:
Houston George Bush - McAllen/Mission
Houston George Bush - McAllen/Mission
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FLIGHT SCHEDULE
Direct Codeshare Flights:
Air Canada AC3866
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 6178)
Duration: 1:10, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC3866
Effective 2026-01-06 through 2026-02-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 4261)
Duration: 1:34, non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Codeshare Flights:
Air Canada AC3866
Effective 2026-02-05 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 4261)
Duration: 1:34, non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Codeshare Flights:
Air Canada AC3866
Effective 2026-03-05 through 2026-03-07
Mon
-
-
Tue
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-
Wed
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-
Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 4225)
Duration: 1:32, non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Codeshare Flights:
Air Canada AC3866
Operates only on 2026-03-15
Mon
-
-
Tue
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Wed
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Thu
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Fri
-
-
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 4225)
Duration: 1:32, non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Codeshare Flights:
Air Canada AC3866
Operates only on 2026-03-23
Mon
Tue
-
-
Wed
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Thu
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Fri
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-
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 4225)
Duration: 1:32, non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Codeshare Flights:
Air Canada AC3866
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 4225)
Duration: 1:30, non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Codeshare Flights:
Air Canada AC3866
Effective 2026-02-12 through 2026-03-03
Mon
Tue
Wed
-
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 4225)
Duration: 1:32, non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Codeshare Flights:
Air Canada AC3866
Operates only on 2026-03-04
Mon
-
-
Tue
-
-
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 4225)
Duration: 1:32, non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Codeshare Flights:
Air Canada AC3866
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 4225)
Duration: 1:30, non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Codeshare Flights:
Air Canada AC3866
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 4323)
Duration: 1:33, non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Codeshare Flights:
Air Canada AC3866
Effective 2026-03-08 through 2026-03-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 6178)
Duration: 1:29, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC3866
Effective 2026-03-16 through 2026-03-22
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 6178)
Duration: 1:29, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC3866
Effective 2026-03-24 through 2026-03-28
Mon
-
-
Tue
Wed
Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 6178)
Duration: 1:29, non-stop Embraer EMB 175 (E7W)
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Parallax here IAH-MFE
- AC 3866 is a domestic flight departing from the Houston George Bush airport (IAH) and arriving at McAllen/Mission airport (MFE).
- The flight distance is 317 miles, or 510 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 1:10 and 1:34.