Air Canada flight AC 4720: Chicago O'Hare - Denver

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon-Thu,Sat,Sun 10:40 Chicago O'Hare (ORD) 1 12:38 Denver (DEN)
AC 4720 Non-stop Airbus A321neo (32Q) 2:58 Effective 2026-01-07 through 2026-01-15
Codeshare flight, operated by United Airlines.(UA 1803)
Fri 10:40 Chicago O'Hare (ORD) 1 12:37 Denver (DEN)
AC 4720 Non-stop Boeing 737-900 (739) 2:57 Operates only on 2026-01-09
Codeshare flight, operated by United Airlines.(UA 1803)
Daily 10:40 Chicago O'Hare (ORD) 1 12:38 Denver (DEN)
AC 4720 Non-stop Airbus A321neo (32Q) 2:58 Effective 2026-01-16 through 2026-02-11
Codeshare flight, operated by United Airlines.(UA 1803)
Thu 10:40 Chicago O'Hare (ORD) 1 12:33 Denver (DEN)
AC 4720 Non-stop Boeing 737-900 (739) 2:53 Operates only on 2026-02-12
Codeshare flight, operated by United Airlines.(UA 1803)
Daily 10:40 Chicago O'Hare (ORD) 1 12:38 Denver (DEN)
AC 4720 Non-stop Airbus A321neo (32Q) 2:58 Effective 2026-02-13 through 2026-03-04
Codeshare flight, operated by United Airlines.(UA 1803)
Daily 10:48 Chicago O'Hare (ORD) 1 12:45 Denver (DEN)
AC 4720 Non-stop Boeing 737-900 (739) 2:57 Effective 2026-03-05 through 2026-03-28
Codeshare flight, operated by United Airlines.(UA 1803)
Tue 10:50 Chicago O'Hare (ORD) 1 12:45 Denver (DEN)
AC 4720 Non-stop Airbus A321neo (32Q) 2:55 Operates only on 2026-01-06
Codeshare flight, operated by United Airlines.(UA 1803)
Daily 10:50 Chicago O'Hare (ORD) 1 12:24 Denver (DEN)
AC 4720 Non-stop Airbus A321neo (32Q) 2:34 Effective 2026-03-29 through 2026-04-29
Codeshare flight, operated by United Airlines.(UA 1803)
Daily 10:50 Chicago O'Hare (ORD) 1 12:45 Denver (DEN)
AC 4720 Non-stop Airbus A321neo (32Q) 2:55 Effective 2026-04-30 through 2026-05-20
Codeshare flight, operated by United Airlines.(UA 1803)
Daily 10:50 Chicago O'Hare (ORD) 1 12:24 Denver (DEN)
AC 4720 Non-stop Boeing 737-900 (739) 2:34 Effective from 2026-05-21
Codeshare flight, operated by United Airlines.(UA 1803)
Thu-Sun 10:56 Chicago O'Hare (ORD) 1 12:54 Denver (DEN)
AC 4720 Non-stop Airbus A321neo (32Q) 2:58 Valid until 2026-01-04
Codeshare flight, operated by United Airlines.(UA 1803)
Mon 10:56 Chicago O'Hare (ORD) 1 12:53 Denver (DEN)
AC 4720 Non-stop Boeing 737 MAX 9 (7M9) 2:57 Operates only on 2026-01-05
Codeshare flight, operated by United Airlines.(UA 1803)


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Air Canada flight AC 4720:
Chicago O'Hare - Denver
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Air Canada AC4720
10:40
Chicago O'Hare (ORD) 1

12:38
Denver (DEN)
Effective 2026-01-07 through 2026-01-15
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1803)
Duration: 2:58, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
Air Canada AC4720
10:40
Chicago O'Hare (ORD) 1

12:37
Denver (DEN)
Operates only on 2026-01-09
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1803)
Duration: 2:57, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC4720
10:40
Chicago O'Hare (ORD) 1

12:38
Denver (DEN)
Effective 2026-01-16 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1803)
Duration: 2:58, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
Air Canada AC4720
10:40
Chicago O'Hare (ORD) 1

12:33
Denver (DEN)
Operates only on 2026-02-12
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1803)
Duration: 2:53, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC4720
10:40
Chicago O'Hare (ORD) 1

12:38
Denver (DEN)
Effective 2026-02-13 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1803)
Duration: 2:58, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
Air Canada AC4720
10:48
Chicago O'Hare (ORD) 1

12:45
Denver (DEN)
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1803)
Duration: 2:57, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC4720
10:50
Chicago O'Hare (ORD) 1

12:45
Denver (DEN)
Operates only on 2026-01-06
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1803)
Duration: 2:55, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
Air Canada AC4720
10:50
Chicago O'Hare (ORD) 1

12:24
Denver (DEN)
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1803)
Duration: 2:34, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
Air Canada AC4720
10:50
Chicago O'Hare (ORD) 1

12:45
Denver (DEN)
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1803)
Duration: 2:55, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
Air Canada AC4720
10:50
Chicago O'Hare (ORD) 1

12:24
Denver (DEN)
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1803)
Duration: 2:34, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC4720
10:56
Chicago O'Hare (ORD) 1

12:54
Denver (DEN)
Valid until 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1803)
Duration: 2:58, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
Air Canada AC4720
10:56
Chicago O'Hare (ORD) 1

12:53
Denver (DEN)
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1803)
Duration: 2:57, non-stop
Boeing 737 MAX 9 (7M9)
  • AC 4720 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 2:34 and 2:58.
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