Air Canada flight AC 4320: Chicago O'Hare - Rochester

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon,Thu-Sun 13:30 Chicago O'Hare (ORD) 1 16:20 Rochester (ROC)
AC 4320 Non-stop Boeing 737-700 (73G) 1:50 Valid until 2026-01-05
Codeshare flight, operated by United Airlines.(UA 1239)
Daily 13:55 Chicago O'Hare (ORD) 2 16:48 Rochester (ROC)
AC 4320 Non-stop Canadair CRJ 550 (CR5) 1:53 Effective 2026-01-06 through 2026-02-11
Codeshare flight, operated by United Airlines.(UA 4384)
Daily 13:55 Chicago O'Hare (ORD) 2 16:51 Rochester (ROC)
AC 4320 Non-stop Canadair CRJ 550 (CR5) 1:56 Effective 2026-02-12 through 2026-03-06
Codeshare flight, operated by United Airlines.(UA 4458)
Mon-Fri,Sun 13:55 Chicago O'Hare (ORD) 2 16:51 Rochester (ROC)
AC 4320 Non-stop Canadair CRJ 550 (CR5) 1:56 Effective 2026-03-08 through 2026-03-27
Codeshare flight, operated by United Airlines.(UA 4458)
Daily 13:55 Chicago O'Hare (ORD) 1 16:44 Rochester (ROC)
AC 4320 Non-stop Boeing 737-700 (73G) 1:49 Effective 2026-04-30 through 2026-05-20
Codeshare flight, operated by United Airlines.(UA 1239)
Daily 14:05 Chicago O'Hare (ORD) 1 16:45 Rochester (ROC)
AC 4320 Non-stop Boeing 737-800 (738) 1:40 Effective from 2026-05-21
Codeshare flight, operated by United Airlines.(UA 1239)
Daily 14:08 Chicago O'Hare (ORD) 2 17:00 Rochester (ROC)
AC 4320 Non-stop Canadair CRJ 550 (CR5) 1:52 Effective 2026-03-29 through 2026-04-29
Codeshare flight, operated by United Airlines.(UA 5574)


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Air Canada flight AC 4320:
Chicago O'Hare - Rochester
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Air Canada AC4320
13:30
Chicago O'Hare (ORD) 1

16:20
Rochester (ROC)
Valid until 2026-01-05
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1239)
Duration: 1:50, non-stop
Boeing 737-700 (73G)
Direct Codeshare Flights:
Air Canada AC4320
13:55
Chicago O'Hare (ORD) 2

16:48
Rochester (ROC)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4384)
Duration: 1:53, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Air Canada AC4320
13:55
Chicago O'Hare (ORD) 2

16:51
Rochester (ROC)
Effective 2026-02-12 through 2026-03-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4458)
Duration: 1:56, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Air Canada AC4320
13:55
Chicago O'Hare (ORD) 2

16:51
Rochester (ROC)
Effective 2026-03-08 through 2026-03-27
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 4458)
Duration: 1:56, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Air Canada AC4320
13:55
Chicago O'Hare (ORD) 1

16:44
Rochester (ROC)
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1239)
Duration: 1:49, non-stop
Boeing 737-700 (73G)
Direct Codeshare Flights:
Air Canada AC4320
14:05
Chicago O'Hare (ORD) 1

16:45
Rochester (ROC)
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1239)
Duration: 1:40, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC4320
14:08
Chicago O'Hare (ORD) 2

17:00
Rochester (ROC)
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 5574)
Duration: 1:52, non-stop
Canadair CRJ 550 (CR5)
  • AC 4320 is a domestic flight departing from the Chicago O'Hare airport (ORD) and arriving at Rochester airport (ROC).
  • The flight distance is 526 miles, or 847 km.
  • The timezone of the departure airport is UTC-6 , and the timezone of the arrival airport is UTC-5 . 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 1:40 and 1:56.
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