Air Canada
flight
AC 3966:
Multiple routes
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FLIGHT SCHEDULE
Direct Codeshare Flights:
Air Canada AC3966
Valid until 2026-01-05
Mon
Tue
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Wed
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Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 515)
Duration: 4:33, non-stop Boeing 737-700 (73G)
Direct Codeshare Flights:
Air Canada AC3966
Effective 2026-03-05 through 2026-03-27
Mon
Tue
Wed
Thu
Fri
Sat
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Sun
Codeshare flight, operated by United Airlines.
(UA 515)
Duration: 4:19, non-stop Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Air Canada AC3966
Effective 2026-03-07 through 2026-03-21
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
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Codeshare flight, operated by United Airlines.
(UA 515)
Duration: 4:19, non-stop Boeing 737-700 (73G)
Direct Codeshare Flights:
Air Canada AC3966
Operates only on 2026-03-28
Mon
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Tue
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Wed
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Sat
Sun
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Codeshare flight, operated by United Airlines.
(UA 515)
Duration: 4:19, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC3966
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 515)
Duration: 4:17, non-stop Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Air Canada AC3966
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 515)
Duration: 4:20, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC3966
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
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Codeshare flight, operated by United Airlines.
(UA 515)
Duration: 4:15, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC3966
Effective 2026-05-21 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 515)
Duration: 3:59, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Air Canada AC3966
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 332)
Duration: 2:46, non-stop Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Air Canada AC3966
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1168)
Duration: 2:40, non-stop Boeing 737 MAX 8 (7M8)
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This flight number is listed as serving the following routes:
- Newark Liberty, New York (EWR) - Chicago O'Hare (ORD)
- Newark Liberty, New York (EWR) - San Antonio (SAT)