Air Canada flight AC 3399: Miami - Chicago O'Hare

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Sat 07:10 Miami (MIA) 09:44 Chicago O'Hare (ORD) 1
AC 3399 Non-stop Boeing 737-800 (738) 3:34 Operates only on 2026-01-03
Codeshare flight, operated by United Airlines.(UA 2195)
Mon,Tue,Fri 07:15 Miami (MIA) 09:49 Chicago O'Hare (ORD) 1
AC 3399 Non-stop Boeing 737-900 (739) 3:34 Valid until 2026-01-02
Codeshare flight, operated by United Airlines.(UA 2195)
Mon,Wed 07:15 Miami (MIA) 09:49 Chicago O'Hare (ORD) 1
AC 3399 Non-stop Boeing 737 MAX 8 (7M8) 3:34 Valid until 2026-01-05
Codeshare flight, operated by United Airlines.(UA 2195)
Sun 07:15 Miami (MIA) 09:49 Chicago O'Hare (ORD) 1
AC 3399 Non-stop Airbus A321neo (32Q) 3:34 Operates only on 2026-01-04
Codeshare flight, operated by United Airlines.(UA 2195)
Daily 07:15 Miami (MIA) 09:39 Chicago O'Hare (ORD) 1
AC 3399 Non-stop Boeing 737-800 (738) 3:24 Effective from 2026-10-25
Codeshare flight, operated by United Airlines.(UA 2230)
Tue 09:00 Miami (MIA) 11:34 Chicago O'Hare (ORD) 1
AC 3399 Non-stop Boeing 737 MAX 8 (7M8) 3:34 Operates only on 2026-01-06
Codeshare flight, operated by United Airlines.(UA 2223)
Wed,Thu 09:00 Miami (MIA) 11:34 Chicago O'Hare (ORD) 1
AC 3399 Non-stop Boeing 737-900 (739) 3:34 Effective 2026-01-07 through 2026-02-11
Codeshare flight, operated by United Airlines.(UA 2223)
Mon,Tue,Fri,Sat 09:00 Miami (MIA) 11:34 Chicago O'Hare (ORD) 1
AC 3399 Non-stop Boeing 737-800 (738) 3:34 Effective 2026-01-09 through 2026-02-10
Codeshare flight, operated by United Airlines.(UA 2223)
Sun 09:00 Miami (MIA) 11:34 Chicago O'Hare (ORD) 1
AC 3399 Non-stop Boeing 737 MAX 9 (7M9) 3:34 Effective 2026-01-11 through 2026-02-08
Codeshare flight, operated by United Airlines.(UA 2223)
Daily 09:00 Miami (MIA) 11:38 Chicago O'Hare (ORD) 1
AC 3399 Non-stop Boeing 737-900 (739) 3:38 Effective 2026-02-12 through 2026-02-18
Codeshare flight, operated by United Airlines.(UA 1892)
Thu 09:00 Miami (MIA) 11:38 Chicago O'Hare (ORD) 1
AC 3399 Non-stop Boeing 737-800 (738) 3:38 Effective 2026-02-19 through 2026-02-26
Codeshare flight, operated by United Airlines.(UA 1892)
Mon-Wed,Fri-Sun 09:00 Miami (MIA) 11:38 Chicago O'Hare (ORD) 1
AC 3399 Non-stop Boeing 737-900 (739) 3:38 Effective 2026-02-20 through 2026-03-04
Codeshare flight, operated by United Airlines.(UA 1892)
Mon-Fri,Sun 09:00 Miami (MIA) 11:38 Chicago O'Hare (ORD) 1
AC 3399 Non-stop Boeing 737-900 (739) 3:38 Effective 2026-03-05 through 2026-03-27
Codeshare flight, operated by United Airlines.(UA 1892)
Sat 09:00 Miami (MIA) 11:40 Chicago O'Hare (ORD) 1
AC 3399 Non-stop Airbus A321neo (32Q) 3:40 Effective 2026-03-07 through 2026-03-28
Codeshare flight, operated by United Airlines.(UA 1314)
Daily 09:00 Miami (MIA) 11:36 Chicago O'Hare (ORD) 1
AC 3399 Non-stop Boeing 737-900 (739) 3:36 Effective 2026-03-29 through 2026-04-29
Codeshare flight, operated by United Airlines.(UA 2384)
Daily 10:00 Chicago O'Hare (ORD) 1 12:47 Los Angeles (LAX) 7
AC 3399 Non-stop Boeing 737-900 (739) 4:47 Effective 2026-04-30 through 2026-05-20
Codeshare flight, operated by United Airlines.(UA 651)
Thu 14:10 Miami (MIA) 16:44 Chicago O'Hare (ORD) 1
AC 3399 Non-stop Boeing 737-800 (738) 3:34 Valid until 2026-01-01
Codeshare flight, operated by United Airlines.(UA 1108)
Daily 19:35 Miami (MIA) 22:00 Chicago O'Hare (ORD) 1
AC 3399 Non-stop Boeing 737-800 (738) 3:25 Effective 2026-05-21 through 2026-10-24
Codeshare flight, operated by United Airlines.(UA 1639)
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Air Canada flight AC 3399:
Miami - Chicago O'Hare
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Air Canada AC3399
07:10
Miami (MIA)

09:44
Chicago O'Hare (ORD) 1
Operates only on 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2195)
Duration: 3:34, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC3399
07:15
Miami (MIA)

09:49
Chicago O'Hare (ORD) 1
Valid until 2026-01-02
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2195)
Duration: 3:34, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC3399
07:15
Miami (MIA)

09:49
Chicago O'Hare (ORD) 1
Valid until 2026-01-05
Mon
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2195)
Duration: 3:34, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Air Canada AC3399
07:15
Miami (MIA)

09:49
Chicago O'Hare (ORD) 1
Operates only on 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2195)
Duration: 3:34, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
Air Canada AC3399
07:15
Miami (MIA)

09:39
Chicago O'Hare (ORD) 1
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2230)
Duration: 3:24, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC3399
09:00
Miami (MIA)

11:34
Chicago O'Hare (ORD) 1
Operates only on 2026-01-06
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2223)
Duration: 3:34, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Air Canada AC3399
09:00
Miami (MIA)

11:34
Chicago O'Hare (ORD) 1
Effective 2026-01-07 through 2026-02-11
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2223)
Duration: 3:34, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC3399
09:00
Miami (MIA)

11:34
Chicago O'Hare (ORD) 1
Effective 2026-01-09 through 2026-02-10
Mon
Tue
Wed
-
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2223)
Duration: 3:34, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC3399
09:00
Miami (MIA)

11:34
Chicago O'Hare (ORD) 1
Effective 2026-01-11 through 2026-02-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2223)
Duration: 3:34, non-stop
Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Air Canada AC3399
09:00
Miami (MIA)

11:38
Chicago O'Hare (ORD) 1
Effective 2026-02-12 through 2026-02-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1892)
Duration: 3:38, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC3399
09:00
Miami (MIA)

11:38
Chicago O'Hare (ORD) 1
Effective 2026-02-19 through 2026-02-26
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1892)
Duration: 3:38, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC3399
09:00
Miami (MIA)

11:38
Chicago O'Hare (ORD) 1
Effective 2026-02-20 through 2026-03-04
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1892)
Duration: 3:38, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC3399
09:00
Miami (MIA)

11:38
Chicago O'Hare (ORD) 1
Effective 2026-03-05 through 2026-03-27
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1892)
Duration: 3:38, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC3399
09:00
Miami (MIA)

11:40
Chicago O'Hare (ORD) 1
Effective 2026-03-07 through 2026-03-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 1314)
Duration: 3:40, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
Air Canada AC3399
09:00
Miami (MIA)

11:36
Chicago O'Hare (ORD) 1
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2384)
Duration: 3:36, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC3399
10:00
Chicago O'Hare (ORD) 1

12:47
Los Angeles (LAX) 7
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 651)
Duration: 4:47, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC3399
14:10
Miami (MIA)

16:44
Chicago O'Hare (ORD) 1
Valid until 2026-01-01
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1108)
Duration: 3:34, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC3399
19:35
Miami (MIA)

22:00
Chicago O'Hare (ORD) 1
Effective 2026-05-21 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1639)
Duration: 3:25, non-stop
Boeing 737-800 (738)
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Parallax here MIA-ORD
  • AC 3399 is a domestic flight departing from the Miami airport (MIA) and arriving at Chicago O'Hare airport (ORD).
  • The flight distance is 1198 miles, or 1929 km.
  • The timezone of the departure airport is UTC-5 , and the timezone of the arrival airport is UTC-6 . 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 3:24 and 4:47.
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