Air Canada
flight
AC 4157:
Houston George Bush - Denver
Houston George Bush - Denver
FLIGHT SCHEDULE
Direct Codeshare Flights:
Air Canada AC4157
Effective 2026-03-08 through 2026-03-22
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Codeshare flight, operated by United Airlines.
(UA 1548)
Duration: 2:47, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC4157
Effective 2026-02-12 through 2026-02-14
Mon
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Wed
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Fri
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Sun
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Codeshare flight, operated by United Airlines.
(UA 1450)
Duration: 2:48, non-stop Boeing 757-200 (752)
Direct Codeshare Flights:
Air Canada AC4157
Effective 2026-02-20 through 2026-02-22
Mon
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Tue
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Wed
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Thu
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Fri
Sat
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Sun
Codeshare flight, operated by United Airlines.
(UA 1450)
Duration: 2:48, non-stop Boeing 757-200 (752)
Direct Codeshare Flights:
Air Canada AC4157
Effective 2026-03-02 through 2026-03-04
Mon
Tue
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Wed
Thu
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Fri
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Sat
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Sun
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Codeshare flight, operated by United Airlines.
(UA 1450)
Duration: 2:48, non-stop Boeing 757-200 (752)
Direct Codeshare Flights:
Air Canada AC4157
Effective 2026-01-04 through 2026-01-05
Mon
Tue
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Wed
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Thu
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Fri
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Sat
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Sun
Codeshare flight, operated by United Airlines.
(UA 2670)
Duration: 2:49, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC4157
Effective 2026-03-05 through 2026-03-06
Mon
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Tue
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Wed
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Thu
Fri
Sat
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Sun
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Codeshare flight, operated by United Airlines.
(UA 1548)
Duration: 2:48, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Air Canada AC4157
Effective 2026-03-09 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 1548)
Duration: 2:48, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Air Canada AC4157
Operates only on 2026-03-29
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
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Sun
Codeshare flight, operated by United Airlines.
(UA 1450)
Duration: 2:46, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Air Canada AC4157
Effective 2026-04-07 through 2026-04-09
Mon
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Tue
Wed
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Thu
Fri
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Sat
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Sun
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Codeshare flight, operated by United Airlines.
(UA 1450)
Duration: 2:46, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Air Canada AC4157
Operates only on 2026-04-17
Mon
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Tue
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Wed
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Thu
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Fri
Sat
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Sun
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Codeshare flight, operated by United Airlines.
(UA 1450)
Duration: 2:46, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Air Canada AC4157
Effective 2026-01-08 through 2026-01-11
Mon
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Tue
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Wed
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Thu
Fri
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Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1210)
Duration: 2:44, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Air Canada AC4157
Effective 2026-01-16 through 2026-01-19
Mon
Tue
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Wed
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Thu
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Fri
Sat
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Sun
Codeshare flight, operated by United Airlines.
(UA 1210)
Duration: 2:44, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Air Canada AC4157
Effective 2026-01-24 through 2026-01-29
Mon
Tue
Wed
Thu
Fri
-
-
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1210)
Duration: 2:44, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Air Canada AC4157
Effective 2026-02-01 through 2026-02-04
Mon
Tue
Wed
Thu
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Fri
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Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 1210)
Duration: 2:44, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Air Canada AC4157
Effective 2026-02-09 through 2026-02-11
Mon
Tue
Wed
Thu
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Fri
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Sat
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Sun
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Codeshare flight, operated by United Airlines.
(UA 1210)
Duration: 2:44, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Air Canada AC4157
Effective 2026-04-30 through 2026-05-09
Mon
Tue
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-
Wed
Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 1450)
Duration: 2:27, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Air Canada AC4157
Effective 2026-05-10 through 2026-05-19
Mon
Tue
Wed
-
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1450)
Duration: 2:27, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Air Canada AC4157
Effective from 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1450)
Duration: 2:27, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Air Canada AC4157
Operates only on 2026-03-07
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
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Codeshare flight, operated by United Airlines.
(UA 1548)
Duration: 2:44, non-stop Boeing 777 (777)
Direct Codeshare Flights:
Air Canada AC4157
Valid until 2026-01-03
Mon
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Wed
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Fri
Sat
Sun
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Codeshare flight, operated by United Airlines.
(UA 361)
Duration: 2:45, non-stop Boeing 777 (777)
Direct Codeshare Flights:
Air Canada AC4157
Effective 2026-05-03 through 2026-05-05
Mon
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Tue
Wed
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Thu
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Fri
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Sat
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Sun
Codeshare flight, operated by United Airlines.
(UA 1409)
Duration: 2:28, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC4157
Operates only on 2026-05-13
Mon
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Tue
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Wed
Thu
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Fri
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Sat
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Sun
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Codeshare flight, operated by United Airlines.
(UA 1409)
Duration: 2:28, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC4157
Effective 2026-03-30 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1409)
Duration: 2:45, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC4157
Effective 2026-04-08 through 2026-04-15
Mon
Tue
Wed
Thu
-
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1409)
Duration: 2:45, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC4157
Effective 2026-04-16 through 2026-04-23
Mon
Tue
Wed
Thu
Fri
-
-
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1409)
Duration: 2:45, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC4157
Effective 2026-04-24 through 2026-04-29
Mon
Tue
Wed
Thu
-
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1409)
Duration: 2:45, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC4157
Effective 2026-02-13 through 2026-02-19
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 1970)
Duration: 2:48, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC4157
Effective 2026-02-21 through 2026-02-28
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
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Codeshare flight, operated by United Airlines.
(UA 1970)
Duration: 2:49, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Air Canada AC4157
Effective 2026-02-23 through 2026-03-01
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 1970)
Duration: 2:48, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC4157
Operates only on 2026-03-03
Mon
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Tue
Wed
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Thu
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Fri
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Sat
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Sun
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Codeshare flight, operated by United Airlines.
(UA 1970)
Duration: 2:48, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC4157
Operates only on 2026-01-06
Mon
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Tue
Wed
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Thu
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Fri
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Sat
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Sun
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Codeshare flight, operated by United Airlines.
(UA 1970)
Duration: 2:38, non-stop Boeing 757-200 (752)
Direct Codeshare Flights:
Air Canada AC4157
Effective 2026-01-07 through 2026-01-14
Mon
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Tue
Wed
Thu
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Fri
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Sat
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Sun
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Codeshare flight, operated by United Airlines.
(UA 1970)
Duration: 2:39, non-stop Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Air Canada AC4157
Effective 2026-01-21 through 2026-01-23
Mon
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Tue
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Wed
Thu
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Fri
Sat
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Sun
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Codeshare flight, operated by United Airlines.
(UA 1970)
Duration: 2:39, non-stop Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Air Canada AC4157
Effective 2026-01-30 through 2026-02-06
Mon
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Tue
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Wed
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Thu
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Fri
Sat
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Sun
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Codeshare flight, operated by United Airlines.
(UA 1970)
Duration: 2:39, non-stop Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Air Canada AC4157
Effective 2026-01-31 through 2026-02-07
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
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Codeshare flight, operated by United Airlines.
(UA 1970)
Duration: 2:39, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC4157
Operates only on 2026-02-08
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
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Sun
Codeshare flight, operated by United Airlines.
(UA 1970)
Duration: 2:39, non-stop Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Air Canada AC4157
Effective 2026-01-15 through 2026-01-22
Mon
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Tue
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Wed
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Thu
Fri
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Sat
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Sun
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Codeshare flight, operated by United Airlines.
(UA 1970)
Duration: 2:39, non-stop Boeing 737 MAX 9 (7M9)
- AC 4157 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 2:27 and 2:49.