Air Canada
flight
AC 4645:
Houston George Bush - Amarillo
Houston George Bush - Amarillo
FLIGHT SCHEDULE
Direct Codeshare Flights:
Air Canada AC4645
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 4839)
Duration: 1:59, non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Codeshare Flights:
Air Canada AC4645
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 4839)
Duration: 2:03, non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Codeshare Flights:
Air Canada AC4645
Effective from 2026-03-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 4839)
Duration: 1:50, non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Codeshare Flights:
Air Canada AC4645
Valid until 2026-01-05
Mon
Tue
Wed
-
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 4839)
Duration: 1:59, non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Codeshare Flights:
Air Canada AC4645
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 4839)
Duration: 2:03, non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
- AC 4645 is a domestic flight departing from the Houston George Bush airport (IAH) and arriving at Amarillo airport (AMA).
- 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 1:50 and 2:03.