Air Canada flight AC 4644: Amarillo - Houston George Bush

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 11:45 Amarillo (AMA) 13:40 Houston George Bush (IAH) B
AC 4644 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:55 Effective from 2026-03-29
Codeshare flight, operated by United Airlines.(UA 4827)
Daily 12:04 Amarillo (AMA) 13:57 Houston George Bush (IAH) B
AC 4644 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:53 Effective 2026-02-12 through 2026-03-09
Codeshare flight, operated by United Airlines.(UA 4241)
Mon,Wed-Sun 12:04 Amarillo (AMA) 13:57 Houston George Bush (IAH) B
AC 4644 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:53 Effective 2026-03-11 through 2026-03-28
Codeshare flight, operated by United Airlines.(UA 4241)
Tue 12:06 Amarillo (AMA) 13:55 Houston George Bush (IAH) B
AC 4644 Non-stop Canadair CRJ (CRJ) 1:49 Operates only on 2026-01-06
Codeshare flight, operated by United Airlines.(UA 4700)
Mon,Wed-Fri,Sun 12:06 Amarillo (AMA) 13:55 Houston George Bush (IAH) B
AC 4644 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:49 Effective 2026-01-07 through 2026-01-16
Codeshare flight, operated by United Airlines.(UA 4241)
Mon,Wed-Fri,Sun 12:06 Amarillo (AMA) 13:55 Houston George Bush (IAH) B
AC 4644 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:49 Effective 2026-01-19 through 2026-02-02
Codeshare flight, operated by United Airlines.(UA 4241)
Mon,Wed-Fri,Sun 12:06 Amarillo (AMA) 13:55 Houston George Bush (IAH) B
AC 4644 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:49 Effective 2026-02-05 through 2026-02-11
Codeshare flight, operated by United Airlines.(UA 4241)
Wed 12:26 Amarillo (AMA) 14:15 Houston George Bush (IAH) B
AC 4644 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:49 Operates only on 2026-02-04
Codeshare flight, operated by United Airlines.(UA 4241)


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Air Canada flight AC 4644:
Amarillo - Houston George Bush
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Air Canada AC4644
11:45
Amarillo (AMA)

13:40
Houston George Bush (IAH) B
Effective from 2026-03-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4827)
Duration: 1:55, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Codeshare Flights:
Air Canada AC4644
12:04
Amarillo (AMA)

13:57
Houston George Bush (IAH) B
Effective 2026-02-12 through 2026-03-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4241)
Duration: 1:53, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Codeshare Flights:
Air Canada AC4644
12:04
Amarillo (AMA)

13:57
Houston George Bush (IAH) B
Effective 2026-03-11 through 2026-03-28
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4241)
Duration: 1:53, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Codeshare Flights:
Air Canada AC4644
12:06
Amarillo (AMA)

13:55
Houston George Bush (IAH) B
Operates only on 2026-01-06
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 4700)
Duration: 1:49, non-stop
Canadair CRJ (CRJ)
Direct Codeshare Flights:
Air Canada AC4644
12:06
Amarillo (AMA)

13:55
Houston George Bush (IAH) B
Effective 2026-01-07 through 2026-01-16
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 4241)
Duration: 1:49, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Codeshare Flights:
Air Canada AC4644
12:06
Amarillo (AMA)

13:55
Houston George Bush (IAH) B
Effective 2026-01-19 through 2026-02-02
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 4241)
Duration: 1:49, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Codeshare Flights:
Air Canada AC4644
12:06
Amarillo (AMA)

13:55
Houston George Bush (IAH) B
Effective 2026-02-05 through 2026-02-11
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 4241)
Duration: 1:49, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Codeshare Flights:
Air Canada AC4644
12:26
Amarillo (AMA)

14:15
Houston George Bush (IAH) B
Operates only on 2026-02-04
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 4241)
Duration: 1:49, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
  • AC 4644 is a domestic flight departing from the Amarillo airport (AMA) and arriving at Houston George Bush airport (IAH).
  • The flight distance is 518 miles, or 834 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 1:49 and 1:55.
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