Air Canada flight AC 3966: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Sat 11:30 Newark Liberty, New York (EWR) A 13:05 Chicago O'Hare (ORD) 1
AC 3966 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2025-05-24 through 2025-05-31
Codeshare flight, operated by United Airlines.(UA 1875)
Mon-Thu 11:34 Newark Liberty, New York (EWR) C 13:15 Chicago O'Hare (ORD) 1
AC 3966 Non-stop Boeing 737-900 (739) 2:41 Effective 2025-05-05 through 2025-05-08
Codeshare flight, operated by United Airlines.(UA 1875)
Wed-Fri 11:34 Newark Liberty, New York (EWR) C 13:15 Chicago O'Hare (ORD) 1
AC 3966 Non-stop Boeing 737-900 (739) 2:41 Effective 2025-05-14 through 2025-05-16
Codeshare flight, operated by United Airlines.(UA 1875)
Thu,Fri 11:35 Newark Liberty, New York (EWR) A 13:12 Chicago O'Hare (ORD) 1
AC 3966 Non-stop Boeing 737-900 (739) 2:37 Effective 2025-05-22 through 2025-05-23
Codeshare flight, operated by United Airlines.(UA 1875)
Mon,Sun 11:35 Newark Liberty, New York (EWR) C 13:12 Chicago O'Hare (ORD) 1
AC 3966 Non-stop Boeing 737-900 (739) 2:37 Effective 2025-06-08 through 2025-06-09
Codeshare flight, operated by United Airlines.(UA 1875)
Mon,Tue 11:35 Newark Liberty, New York (EWR) C 13:12 Chicago O'Hare (ORD) 1
AC 3966 Non-stop Boeing 737-900 (739) 2:37 Effective 2025-06-16 through 2025-06-17
Codeshare flight, operated by United Airlines.(UA 1875)
Mon,Tue 13:18 Newark Liberty, New York (EWR) C 14:55 Chicago O'Hare (ORD) 1
AC 3966 Non-stop Boeing 737-900 (739) 2:37 Effective 2025-05-26 through 2025-06-02
Codeshare flight, operated by United Airlines.(UA 1832)
Tue,Sat 13:18 Newark Liberty, New York (EWR) C 14:55 Chicago O'Hare (ORD) 1
AC 3966 Non-stop Boeing 737-900 (739) 2:37 Effective 2025-06-07 through 2025-06-14
Codeshare flight, operated by United Airlines.(UA 1832)
Wed,Thu 13:18 Newark Liberty, New York (EWR) C 14:55 Chicago O'Hare (ORD) 1
AC 3966 Non-stop Boeing 737-900 (739) 2:37 Effective 2025-06-18 through 2025-06-25
Codeshare flight, operated by United Airlines.(UA 1832)
Mon-Fri 13:18 Newark Liberty, New York (EWR) C 14:55 Chicago O'Hare (ORD) 1
AC 3966 Non-stop Boeing 737-900 (739) 2:37 Effective 2025-06-27 through 2025-07-03
Codeshare flight, operated by United Airlines.(UA 2180)
Mon,Wed-Fri,Sun 13:18 Newark Liberty, New York (EWR) C 14:55 Chicago O'Hare (ORD) 1
AC 3966 Non-stop Boeing 737-900 (739) 2:37 Effective 2025-07-09 through 2025-07-14
Codeshare flight, operated by United Airlines.(UA 2180)
Tue,Thu,Sun 13:18 Newark Liberty, New York (EWR) C 14:55 Chicago O'Hare (ORD) 1
AC 3966 Non-stop Boeing 737-900 (739) 2:37 Effective 2025-07-17 through 2025-07-24
Codeshare flight, operated by United Airlines.(UA 2180)
Mon-Wed,Fri,Sun 13:18 Newark Liberty, New York (EWR) C 14:55 Chicago O'Hare (ORD) 1
AC 3966 Non-stop Boeing 737-900 (739) 2:37 Effective 2025-07-25 through 2025-07-30
Codeshare flight, operated by United Airlines.(UA 2180)
Wed,Fri,Sun 13:18 Newark Liberty, New York (EWR) C 14:55 Chicago O'Hare (ORD) 1
AC 3966 Non-stop Boeing 737 MAX 9 (7M9) 2:37 Effective 2025-08-03 through 2025-08-10
Codeshare flight, operated by United Airlines.(UA 2180)
Mon,Tue,Thu,Sun 13:18 Newark Liberty, New York (EWR) C 14:55 Chicago O'Hare (ORD) 1
AC 3966 Non-stop Boeing 737 MAX 9 (7M9) 2:37 Effective 2025-08-11 through 2025-08-17
Codeshare flight, operated by United Airlines.(UA 2180)
Sat 13:19 Newark Liberty, New York (EWR) C 14:45 Chicago O'Hare (ORD) 1
AC 3966 Non-stop Boeing 737 MAX 9 (7M9) 2:26 Operates only on 2025-06-28
Codeshare flight, operated by United Airlines.(UA 2180)
Mon-Wed,Fri,Sun 13:20 Newark Liberty, New York (EWR) C 14:55 Chicago O'Hare (ORD) 1
AC 3966 Non-stop Airbus A321neo (32Q) 2:35 Effective 2025-08-19 through 2025-08-25
Codeshare flight, operated by United Airlines.(UA 2053)
Tue-Sat 13:20 Newark Liberty, New York (EWR) C 14:55 Chicago O'Hare (ORD) 1
AC 3966 Non-stop Airbus A321neo (32Q) 2:35 Effective 2025-08-27 through 2025-09-02
Codeshare flight, operated by United Airlines.(UA 2053)
Mon-Fri,Sun 13:20 Newark Liberty, New York (EWR) C 14:55 Chicago O'Hare (ORD) 1
AC 3966 Non-stop Airbus A321neo (32Q) 2:35 Effective 2025-09-04 through 2025-09-10
Codeshare flight, operated by United Airlines.(UA 2053)
Mon-Sat 13:20 Newark Liberty, New York (EWR) C 14:55 Chicago O'Hare (ORD) 1
AC 3966 Non-stop Airbus A321neo (32Q) 2:35 Effective 2025-09-12 through 2025-09-18
Codeshare flight, operated by United Airlines.(UA 2053)
Tue,Sat 13:20 Newark Liberty, New York (EWR) C 14:55 Chicago O'Hare (ORD) 1
AC 3966 Non-stop Airbus A321neo (32Q) 2:35 Effective 2025-09-20 through 2025-09-23
Codeshare flight, operated by United Airlines.(UA 2053)
Tue,Sat,Sun 13:20 Newark Liberty, New York (EWR) C 14:55 Chicago O'Hare (ORD) 1
AC 3966 Non-stop Boeing 737-900 (739) 2:35 Effective 2025-09-27 through 2025-10-04
Codeshare flight, operated by United Airlines.(UA 2053)
Mon,Thu,Sun 13:20 Newark Liberty, New York (EWR) C 14:55 Chicago O'Hare (ORD) 1
AC 3966 Non-stop Boeing 737-900 (739) 2:35 Effective 2025-10-06 through 2025-10-12
Codeshare flight, operated by United Airlines.(UA 2053)
Mon,Tue,Fri 13:20 Newark Liberty, New York (EWR) C 14:55 Chicago O'Hare (ORD) 1
AC 3966 Non-stop Boeing 737-900 (739) 2:35 Effective 2025-10-14 through 2025-10-20
Codeshare flight, operated by United Airlines.(UA 2053)
Wed,Sat 13:20 Newark Liberty, New York (EWR) C 14:55 Chicago O'Hare (ORD) 1
AC 3966 Non-stop Boeing 737-900 (739) 2:35 Effective 2025-10-22 through 2025-10-25
Codeshare flight, operated by United Airlines.(UA 2053)
Daily 14:20 Newark Liberty, New York (EWR) C 15:52 Chicago O'Hare (ORD) 1
AC 3966 Non-stop Boeing 737-900 (739) 2:32 Effective 2025-10-26 through 2025-12-17
Codeshare flight, operated by United Airlines.(UA 2009)
Daily 14:20 Newark Liberty, New York (EWR) C 15:52 Chicago O'Hare (ORD) 1
AC 3966 Non-stop Boeing 737-900 (739) 2:32 Effective 2026-01-06 through 2026-02-11
Codeshare flight, operated by United Airlines.(UA 2009)
Tue 16:30 San Francisco (SFO) 3 22:11 Austin (AUS)
AC 3966 Non-stop Airbus A319 (319) 3:41 Operates only on 2025-06-03
Codeshare flight, operated by United Airlines.(UA 2332)
Tue 16:30 San Francisco (SFO) 3 22:11 Austin (AUS)
AC 3966 Non-stop Airbus A319 (319) 3:41 Operates only on 2025-06-24
Codeshare flight, operated by United Airlines.(UA 2332)
Sat 16:35 San Francisco (SFO) 3 22:11 Austin (AUS)
AC 3966 Non-stop Airbus A320 (320) 3:36 Effective 2025-05-03 through 2025-05-17
Codeshare flight, operated by United Airlines.(UA 2077)
Mon 16:35 San Francisco (SFO) 3 22:11 Austin (AUS)
AC 3966 Non-stop Boeing 737 MAX 8 (7M8) 3:36 Effective 2025-05-12 through 2025-05-19
Codeshare flight, operated by United Airlines.(UA 2077)
This flight number is listed as serving the following routes:


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Air Canada flight AC 3966: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Air Canada AC3966
11:30
Newark Liberty, New York (EWR) A

13:05
Chicago O'Hare (ORD) 1
Effective 2025-05-24 through 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 1875)
Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)
Air Canada AC3966
11:34
Newark Liberty, New York (EWR) C

13:15
Chicago O'Hare (ORD) 1
Effective 2025-05-05 through 2025-05-08
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1875)
Duration: 2:41, non-stop
Boeing 737-900 (739)
Air Canada AC3966
11:34
Newark Liberty, New York (EWR) C

13:15
Chicago O'Hare (ORD) 1
Effective 2025-05-14 through 2025-05-16
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1875)
Duration: 2:41, non-stop
Boeing 737-900 (739)
Air Canada AC3966
11:35
Newark Liberty, New York (EWR) A

13:12
Chicago O'Hare (ORD) 1
Effective 2025-05-22 through 2025-05-23
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1875)
Duration: 2:37, non-stop
Boeing 737-900 (739)
Air Canada AC3966
11:35
Newark Liberty, New York (EWR) C

13:12
Chicago O'Hare (ORD) 1
Effective 2025-06-08 through 2025-06-09
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1875)
Duration: 2:37, non-stop
Boeing 737-900 (739)
Air Canada AC3966
11:35
Newark Liberty, New York (EWR) C

13:12
Chicago O'Hare (ORD) 1
Effective 2025-06-16 through 2025-06-17
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1875)
Duration: 2:37, non-stop
Boeing 737-900 (739)
Air Canada AC3966
13:18
Newark Liberty, New York (EWR) C

14:55
Chicago O'Hare (ORD) 1
Effective 2025-05-26 through 2025-06-02
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1832)
Duration: 2:37, non-stop
Boeing 737-900 (739)
Air Canada AC3966
13:18
Newark Liberty, New York (EWR) C

14:55
Chicago O'Hare (ORD) 1
Effective 2025-06-07 through 2025-06-14
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 1832)
Duration: 2:37, non-stop
Boeing 737-900 (739)
Air Canada AC3966
13:18
Newark Liberty, New York (EWR) C

14:55
Chicago O'Hare (ORD) 1
Effective 2025-06-18 through 2025-06-25
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1832)
Duration: 2:37, non-stop
Boeing 737-900 (739)
Air Canada AC3966
13:18
Newark Liberty, New York (EWR) C

14:55
Chicago O'Hare (ORD) 1
Effective 2025-06-27 through 2025-07-03
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2180)
Duration: 2:37, non-stop
Boeing 737-900 (739)
Air Canada AC3966
13:18
Newark Liberty, New York (EWR) C

14:55
Chicago O'Hare (ORD) 1
Effective 2025-07-09 through 2025-07-14
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2180)
Duration: 2:37, non-stop
Boeing 737-900 (739)
Air Canada AC3966
13:18
Newark Liberty, New York (EWR) C

14:55
Chicago O'Hare (ORD) 1
Effective 2025-07-17 through 2025-07-24
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2180)
Duration: 2:37, non-stop
Boeing 737-900 (739)
Air Canada AC3966
13:18
Newark Liberty, New York (EWR) C

14:55
Chicago O'Hare (ORD) 1
Effective 2025-07-25 through 2025-07-30
Mon
Tue
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2180)
Duration: 2:37, non-stop
Boeing 737-900 (739)
Air Canada AC3966
13:18
Newark Liberty, New York (EWR) C

14:55
Chicago O'Hare (ORD) 1
Effective 2025-08-03 through 2025-08-10
Mon
-
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2180)
Duration: 2:37, non-stop
Boeing 737 MAX 9 (7M9)
Air Canada AC3966
13:18
Newark Liberty, New York (EWR) C

14:55
Chicago O'Hare (ORD) 1
Effective 2025-08-11 through 2025-08-17
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2180)
Duration: 2:37, non-stop
Boeing 737 MAX 9 (7M9)
Air Canada AC3966
13:19
Newark Liberty, New York (EWR) C

14:45
Chicago O'Hare (ORD) 1
Operates only on 2025-06-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2180)
Duration: 2:26, non-stop
Boeing 737 MAX 9 (7M9)
Air Canada AC3966
13:20
Newark Liberty, New York (EWR) C

14:55
Chicago O'Hare (ORD) 1
Effective 2025-08-19 through 2025-08-25
Mon
Tue
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2053)
Duration: 2:35, non-stop
Airbus A321neo (32Q)
Air Canada AC3966
13:20
Newark Liberty, New York (EWR) C

14:55
Chicago O'Hare (ORD) 1
Effective 2025-08-27 through 2025-09-02
Mon
-
Tue
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2053)
Duration: 2:35, non-stop
Airbus A321neo (32Q)
Air Canada AC3966
13:20
Newark Liberty, New York (EWR) C

14:55
Chicago O'Hare (ORD) 1
Effective 2025-09-04 through 2025-09-10
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2053)
Duration: 2:35, non-stop
Airbus A321neo (32Q)
Air Canada AC3966
13:20
Newark Liberty, New York (EWR) C

14:55
Chicago O'Hare (ORD) 1
Effective 2025-09-12 through 2025-09-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2053)
Duration: 2:35, non-stop
Airbus A321neo (32Q)
Air Canada AC3966
13:20
Newark Liberty, New York (EWR) C

14:55
Chicago O'Hare (ORD) 1
Effective 2025-09-20 through 2025-09-23
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2053)
Duration: 2:35, non-stop
Airbus A321neo (32Q)
Air Canada AC3966
13:20
Newark Liberty, New York (EWR) C

14:55
Chicago O'Hare (ORD) 1
Effective 2025-09-27 through 2025-10-04
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2053)
Duration: 2:35, non-stop
Boeing 737-900 (739)
Air Canada AC3966
13:20
Newark Liberty, New York (EWR) C

14:55
Chicago O'Hare (ORD) 1
Effective 2025-10-06 through 2025-10-12
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2053)
Duration: 2:35, non-stop
Boeing 737-900 (739)
Air Canada AC3966
13:20
Newark Liberty, New York (EWR) C

14:55
Chicago O'Hare (ORD) 1
Effective 2025-10-14 through 2025-10-20
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2053)
Duration: 2:35, non-stop
Boeing 737-900 (739)
Air Canada AC3966
13:20
Newark Liberty, New York (EWR) C

14:55
Chicago O'Hare (ORD) 1
Effective 2025-10-22 through 2025-10-25
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2053)
Duration: 2:35, non-stop
Boeing 737-900 (739)
Air Canada AC3966
14:20
Newark Liberty, New York (EWR) C

15:52
Chicago O'Hare (ORD) 1
Effective 2025-10-26 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2009)
Duration: 2:32, non-stop
Boeing 737-900 (739)
Air Canada AC3966
14:20
Newark Liberty, New York (EWR) C

15:52
Chicago O'Hare (ORD) 1
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2009)
Duration: 2:32, non-stop
Boeing 737-900 (739)
Air Canada AC3966
16:30
San Francisco (SFO) 3

22:11
Austin (AUS)
Operates only on 2025-06-03
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2332)
Duration: 3:41, non-stop
Airbus A319 (319)
Air Canada AC3966
16:30
San Francisco (SFO) 3

22:11
Austin (AUS)
Operates only on 2025-06-24
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2332)
Duration: 3:41, non-stop
Airbus A319 (319)
Air Canada AC3966
16:35
San Francisco (SFO) 3

22:11
Austin (AUS)
Effective 2025-05-03 through 2025-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2077)
Duration: 3:36, non-stop
Airbus A320 (320)
Air Canada AC3966
16:35
San Francisco (SFO) 3

22:11
Austin (AUS)
Effective 2025-05-12 through 2025-05-19
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2077)
Duration: 3:36, non-stop
Boeing 737 MAX 8 (7M8)
This flight number is listed as serving the following routes:
  • Newark Liberty, New York (EWR) - Chicago O'Hare (ORD)
  • San Francisco (SFO) - Austin (AUS)
All Air Canada flights
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