Air Canada flight AC 5237: Chicago O'Hare - Denver

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon-Thu,Sat,Sun 17:52 Chicago O'Hare (ORD) 1 19:31 Denver (DEN)
AC 5237 Non-stop Boeing 757-300 (753) 2:39 Effective 2025-08-21 through 2025-08-28
Codeshare flight, operated by United Airlines.(UA 2394)
Mon,Wed-Sun 17:52 Chicago O'Hare (ORD) 1 19:31 Denver (DEN)
AC 5237 Non-stop Boeing 757-300 (753) 2:39 Effective 2025-08-31 through 2025-09-08
Codeshare flight, operated by United Airlines.(UA 2394)
Mon,Tue,Thu-Sun 17:52 Chicago O'Hare (ORD) 1 19:31 Denver (DEN)
AC 5237 Non-stop Boeing 757-300 (753) 2:39 Effective 2025-09-11 through 2025-09-18
Codeshare flight, operated by United Airlines.(UA 2394)
Mon-Wed,Sat,Sun 17:52 Chicago O'Hare (ORD) 1 19:31 Denver (DEN)
AC 5237 Non-stop Boeing 757-300 (753) 2:39 Effective 2025-09-20 through 2025-09-24
Codeshare flight, operated by United Airlines.(UA 2394)
Daily 17:52 Chicago O'Hare (ORD) 1 19:31 Denver (DEN)
AC 5237 Non-stop Boeing 737-900 (739) 2:39 Effective from 2025-10-26
Codeshare flight, operated by United Airlines.(UA 2394)
Tue,Thu-Sun 18:00 Chicago O'Hare (ORD) 1 19:55 Denver (DEN)
AC 5237 Non-stop Airbus A321neo (32Q) 2:55 Valid until 2025-05-08
Codeshare flight, operated by United Airlines.(UA 1943)
Mon,Wed,Fri-Sun 18:00 Chicago O'Hare (ORD) 1 19:55 Denver (DEN)
AC 5237 Non-stop Airbus A321neo (32Q) 2:55 Effective 2025-05-10 through 2025-05-16
Codeshare flight, operated by United Airlines.(UA 1943)
Mon,Tue,Sun 18:00 Chicago O'Hare (ORD) 1 19:55 Denver (DEN)
AC 5237 Non-stop Airbus A321neo (32Q) 2:55 Effective 2025-05-18 through 2025-05-20
Codeshare flight, operated by United Airlines.(UA 1943)
Daily 18:25 Chicago O'Hare (ORD) 1 20:16 Denver (DEN)
AC 5237 Non-stop Boeing 757-300 (753) 2:51 Effective 2025-09-25 through 2025-10-25
Codeshare flight, operated by United Airlines.(UA 2394)
Mon,Wed,Thu,Sat 18:32 Chicago O'Hare (ORD) 1 20:33 Denver (DEN)
AC 5237 Non-stop Boeing 757-300 (753) 3:01 Effective 2025-05-22 through 2025-05-29
Codeshare flight, operated by United Airlines.(UA 2394)
Tue 18:32 Chicago O'Hare (ORD) 1 20:35 Denver (DEN)
AC 5237 Non-stop Boeing 737 MAX 9 (7M9) 3:03 Effective 2025-05-27 through 2025-06-10
Codeshare flight, operated by United Airlines.(UA 2394)
Mon,Wed-Fri,Sun 18:32 Chicago O'Hare (ORD) 1 20:33 Denver (DEN)
AC 5237 Non-stop Boeing 757-300 (753) 3:01 Effective 2025-05-30 through 2025-06-08
Codeshare flight, operated by United Airlines.(UA 2394)
Mon,Wed-Sat 18:32 Chicago O'Hare (ORD) 1 20:33 Denver (DEN)
AC 5237 Non-stop Boeing 757-300 (753) 3:01 Effective 2025-06-11 through 2025-06-21
Codeshare flight, operated by United Airlines.(UA 2394)
Sun 18:32 Chicago O'Hare (ORD) 1 20:33 Denver (DEN)
AC 5237 Non-stop Boeing 757-300 (753) 3:01 Operates only on 2025-06-22
Codeshare flight, operated by United Airlines.(UA 2394)
Tue 18:32 Chicago O'Hare (ORD) 1 20:35 Denver (DEN)
AC 5237 Non-stop Boeing 737 MAX 9 (7M9) 3:03 Operates only on 2025-06-24
Codeshare flight, operated by United Airlines.(UA 2394)
Mon,Thu,Fri 18:35 Chicago O'Hare (ORD) 1 20:36 Denver (DEN)
AC 5237 Non-stop Boeing 757-300 (753) 3:01 Effective 2025-06-27 through 2025-07-03
Codeshare flight, operated by United Airlines.(UA 767)
Fri-Sun 18:35 Chicago O'Hare (ORD) 1 20:36 Denver (DEN)
AC 5237 Non-stop Boeing 757-300 (753) 3:01 Effective 2025-07-06 through 2025-07-12
Codeshare flight, operated by United Airlines.(UA 767)
Mon,Fri,Sun 18:35 Chicago O'Hare (ORD) 1 20:36 Denver (DEN)
AC 5237 Non-stop Boeing 757-300 (753) 3:01 Effective 2025-07-14 through 2025-07-20
Codeshare flight, operated by United Airlines.(UA 767)
Tue 18:35 Chicago O'Hare (ORD) 1 20:38 Denver (DEN)
AC 5237 Non-stop Airbus A321neo (32Q) 3:03 Operates only on 2025-07-22
Codeshare flight, operated by United Airlines.(UA 767)
Mon,Wed,Fri,Sat 18:35 Chicago O'Hare (ORD) 1 20:36 Denver (DEN)
AC 5237 Non-stop Boeing 757-300 (753) 3:01 Effective 2025-07-26 through 2025-08-01
Codeshare flight, operated by United Airlines.(UA 767)
Thu-Sun 18:35 Chicago O'Hare (ORD) 1 20:36 Denver (DEN)
AC 5237 Non-stop Boeing 757-300 (753) 3:01 Effective 2025-08-03 through 2025-08-09
Codeshare flight, operated by United Airlines.(UA 767)
Tue 18:35 Chicago O'Hare (ORD) 1 20:38 Denver (DEN)
AC 5237 Non-stop Airbus A321neo (32Q) 3:03 Operates only on 2025-08-05
Codeshare flight, operated by United Airlines.(UA 2394)
Mon,Wed,Fri-Sun 18:35 Chicago O'Hare (ORD) 1 20:36 Denver (DEN)
AC 5237 Non-stop Boeing 757-300 (753) 3:01 Effective 2025-08-11 through 2025-08-18
Codeshare flight, operated by United Airlines.(UA 767)
Tue,Thu,Sat,Sun 20:10 Chicago O'Hare (ORD) 1 22:00 Denver (DEN)
AC 5237 Non-stop Boeing 737-900 (739) 2:50 Effective 2025-06-26 through 2025-07-01
Codeshare flight, operated by United Airlines.(UA 2394)
Mon-Wed,Sat 20:10 Chicago O'Hare (ORD) 1 22:00 Denver (DEN)
AC 5237 Non-stop Boeing 737-900 (739) 2:50 Effective 2025-07-05 through 2025-07-09
Codeshare flight, operated by United Airlines.(UA 2394)
Tue-Thu,Sun 20:10 Chicago O'Hare (ORD) 1 22:00 Denver (DEN)
AC 5237 Non-stop Boeing 737-900 (739) 2:50 Effective 2025-07-13 through 2025-07-17
Codeshare flight, operated by United Airlines.(UA 2394)
Mon,Wed-Fri 20:10 Chicago O'Hare (ORD) 1 22:00 Denver (DEN)
AC 5237 Non-stop Boeing 737-900 (739) 2:50 Effective 2025-07-21 through 2025-07-25
Codeshare flight, operated by United Airlines.(UA 2394)
Thu 20:10 Chicago O'Hare (ORD) 1 22:00 Denver (DEN)
AC 5237 Non-stop Boeing 737-900 (739) 2:50 Operates only on 2025-07-31
Codeshare flight, operated by United Airlines.(UA 2394)
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Air Canada flight AC 5237:
Chicago O'Hare - Denver
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

Air Canada AC5237
Effective 2025-08-21 through 2025-08-28
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2394)
Duration: 2:39, non-stop
Boeing 757-300 (753)

Air Canada AC5237
Effective 2025-08-31 through 2025-09-08
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2394)
Duration: 2:39, non-stop
Boeing 757-300 (753)

Air Canada AC5237
Effective 2025-09-11 through 2025-09-18
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2394)
Duration: 2:39, non-stop
Boeing 757-300 (753)

Air Canada AC5237
Effective 2025-09-20 through 2025-09-24
Mon
Tue
Wed
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2394)
Duration: 2:39, non-stop
Boeing 757-300 (753)

Air Canada AC5237
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2394)
Duration: 2:39, non-stop
Boeing 737-900 (739)

Air Canada AC5237
Valid until 2025-05-08
Mon
-
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1943)
Duration: 2:55, non-stop
Airbus A321neo (32Q)

Air Canada AC5237
Effective 2025-05-10 through 2025-05-16
Mon
Tue
-
Wed
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1943)
Duration: 2:55, non-stop
Airbus A321neo (32Q)

Air Canada AC5237
Effective 2025-05-18 through 2025-05-20
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1943)
Duration: 2:55, non-stop
Airbus A321neo (32Q)

Air Canada AC5237
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2394)
Duration: 2:51, non-stop
Boeing 757-300 (753)

Air Canada AC5237
Effective 2025-05-22 through 2025-05-29
Mon
Tue
-
Wed
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2394)
Duration: 3:01, non-stop
Boeing 757-300 (753)

Air Canada AC5237
Effective 2025-05-27 through 2025-06-10
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2394)
Duration: 3:03, non-stop
Boeing 737 MAX 9 (7M9)

Air Canada AC5237
Effective 2025-05-30 through 2025-06-08
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2394)
Duration: 3:01, non-stop
Boeing 757-300 (753)

Air Canada AC5237
Effective 2025-06-11 through 2025-06-21
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2394)
Duration: 3:01, non-stop
Boeing 757-300 (753)

Air Canada AC5237
Operates only on 2025-06-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2394)
Duration: 3:01, non-stop
Boeing 757-300 (753)

Air Canada AC5237
Operates only on 2025-06-24
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2394)
Duration: 3:03, non-stop
Boeing 737 MAX 9 (7M9)

Air Canada AC5237
Effective 2025-06-27 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 767)
Duration: 3:01, non-stop
Boeing 757-300 (753)

Air Canada AC5237
Effective 2025-07-06 through 2025-07-12
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 767)
Duration: 3:01, non-stop
Boeing 757-300 (753)

Air Canada AC5237
Effective 2025-07-14 through 2025-07-20
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 767)
Duration: 3:01, non-stop
Boeing 757-300 (753)

Air Canada AC5237
Operates only on 2025-07-22
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 767)
Duration: 3:03, non-stop
Airbus A321neo (32Q)

Air Canada AC5237
Effective 2025-07-26 through 2025-08-01
Mon
Tue
-
Wed
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 767)
Duration: 3:01, non-stop
Boeing 757-300 (753)

Air Canada AC5237
Effective 2025-08-03 through 2025-08-09
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 767)
Duration: 3:01, non-stop
Boeing 757-300 (753)

Air Canada AC5237
Operates only on 2025-08-05
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2394)
Duration: 3:03, non-stop
Airbus A321neo (32Q)

Air Canada AC5237
Effective 2025-08-11 through 2025-08-18
Mon
Tue
-
Wed
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 767)
Duration: 3:01, non-stop
Boeing 757-300 (753)

Air Canada AC5237
Effective 2025-06-26 through 2025-07-01
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2394)
Duration: 2:50, non-stop
Boeing 737-900 (739)

Air Canada AC5237
Effective 2025-07-05 through 2025-07-09
Mon
Tue
Wed
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2394)
Duration: 2:50, non-stop
Boeing 737-900 (739)

Air Canada AC5237
Effective 2025-07-13 through 2025-07-17
Mon
-
Tue
Wed
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2394)
Duration: 2:50, non-stop
Boeing 737-900 (739)

Air Canada AC5237
Effective 2025-07-21 through 2025-07-25
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2394)
Duration: 2:50, non-stop
Boeing 737-900 (739)

Air Canada AC5237
Operates only on 2025-07-31
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2394)
Duration: 2:50, non-stop
Boeing 737-900 (739)
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  • AC 5237 is a domestic flight departing from the Chicago O'Hare airport (ORD) and arriving at Denver airport (DEN).
  • The flight distance is 885 miles, or 1425 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 2:39 and 3:03.