Air Canada
flight
AC 5251:
Houston George Bush - Denver
Houston George Bush - Denver
FLIGHT SCHEDULE
Direct Codeshare Flights:
Air Canada AC5251
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 1066)
Duration: 2:40, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC5251
Effective 2026-02-15 through 2026-03-01
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
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-
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 1066)
Duration: 2:40, non-stop Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Air Canada AC5251
Effective from 2026-04-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1066)
Duration: 2:32, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC5251
Effective 2026-01-06 through 2026-02-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1066)
Duration: 2:40, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC5251
Effective 2026-02-06 through 2026-02-11
Mon
Tue
Wed
Thu
-
-
Fri
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 1066)
Duration: 2:41, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Air Canada AC5251
Operates only on 2026-02-08
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 1066)
Duration: 2:40, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC5251
Valid until 2026-01-05
Mon
Tue
-
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1507)
Duration: 2:40, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC5251
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1507)
Duration: 2:40, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC5251
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1066)
Duration: 2:44, non-stop Boeing 737-900 (739)
- AC 5251 is a domestic flight departing from the Houston George Bush airport (IAH) and arriving at Denver airport (DEN).
- The flight distance is 861 miles, or 1386 km.
- The timezone of the departure airport is UTC-6 , and the timezone of the arrival airport is UTC-7 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
- For direct flights, the flight time varies between 2:32 and 2:44.