Air Canada
flight
AC 3959:
Multiple routes
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FLIGHT SCHEDULE
Direct Codeshare Flights:
Air Canada AC3959
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 4680)
Duration: 1:44, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC3959
Effective 2026-02-14 through 2026-02-28
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 5341)
Duration: 1:40, non-stop Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Air Canada AC3959
Effective 2026-01-06 through 2026-01-13
Mon
Tue
Wed
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Thu
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Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2315)
Duration: 1:33, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC3959
Operates only on 2026-01-08
Mon
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Tue
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Wed
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Thu
Fri
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Sat
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Sun
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Codeshare flight, operated by United Airlines.
(UA 2315)
Duration: 1:33, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Air Canada AC3959
Effective 2026-01-15 through 2026-01-23
Mon
Tue
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Wed
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Thu
Fri
Sat
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Sun
Codeshare flight, operated by United Airlines.
(UA 2315)
Duration: 1:33, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC3959
Operates only on 2026-01-20
Mon
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Tue
Wed
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Thu
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Fri
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Sat
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Sun
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Codeshare flight, operated by United Airlines.
(UA 5761)
Duration: 1:42, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC3959
Effective 2026-01-24 through 2026-02-02
Mon
Tue
Wed
-
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2315)
Duration: 1:33, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC3959
Operates only on 2026-02-03
Mon
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Tue
Wed
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Thu
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Fri
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Sat
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Sun
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Codeshare flight, operated by United Airlines.
(UA 5761)
Duration: 1:42, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC3959
Effective 2026-02-05 through 2026-02-10
Mon
Tue
Wed
-
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2315)
Duration: 1:33, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC3959
Operates only on 2026-01-17
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 2315)
Duration: 1:33, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC3959
Effective 2026-01-07 through 2026-02-04
Mon
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Tue
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Wed
Thu
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Fri
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Sat
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Sun
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Codeshare flight, operated by United Airlines.
(UA 2315)
Duration: 1:33, non-stop Airbus A320 (320)
Direct Codeshare Flights:
Air Canada AC3959
Effective 2026-02-11 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 2315)
Duration: 1:33, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC3959
Effective 2026-04-30 through 2026-05-14
Mon
Tue
Wed
Thu
Fri
-
-
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2228)
Duration: 1:26, non-stop Airbus A320 (320)
Direct Codeshare Flights:
Air Canada AC3959
Effective 2026-05-17 through 2026-05-20
Mon
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Tue
Wed
Thu
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Fri
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Sat
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Sun
Codeshare flight, operated by United Airlines.
(UA 2228)
Duration: 1:26, non-stop Airbus A320 (320)
Direct Codeshare Flights:
Air Canada AC3959
Effective 2026-05-22 through 2026-05-30
Mon
Tue
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-
Wed
Thu
Fri
Sat
Sun
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-
Codeshare flight, operated by United Airlines.
(UA 2228)
Duration: 1:27, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC3959
Effective 2026-05-31 through 2026-06-07
Mon
-
-
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2228)
Duration: 1:27, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC3959
Effective 2026-06-08 through 2026-06-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2228)
Duration: 1:27, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC3959
Effective 2026-06-19 through 2026-06-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2228)
Duration: 1:27, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC3959
Effective 2026-06-27 through 2026-07-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2228)
Duration: 1:27, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC3959
Effective 2026-07-08 through 2026-07-14
Mon
-
-
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2228)
Duration: 1:27, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC3959
Effective 2026-07-16 through 2026-07-22
Mon
Tue
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-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2228)
Duration: 1:27, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC3959
Effective 2026-07-24 through 2026-07-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2228)
Duration: 1:27, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC3959
Effective 2026-08-01 through 2026-08-11
Mon
Tue
Wed
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-
Thu
Fri
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-
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2228)
Duration: 1:27, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC3959
Effective 2026-08-12 through 2026-08-19
Mon
Tue
Wed
Thu
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-
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 2228)
Duration: 1:27, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC3959
Effective 2026-08-20 through 2026-08-27
Mon
Tue
Wed
Thu
Fri
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-
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2228)
Duration: 1:27, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC3959
Effective 2026-08-28 through 2026-09-06
Mon
-
-
Tue
Wed
Thu
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-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2228)
Duration: 1:27, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC3959
Effective 2026-09-07 through 2026-09-17
Mon
Tue
Wed
Thu
Fri
-
-
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2228)
Duration: 1:27, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC3959
Effective 2026-09-18 through 2026-10-03
Mon
-
-
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2228)
Duration: 1:27, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC3959
Effective 2026-10-05 through 2026-10-11
Mon
Tue
-
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2228)
Duration: 1:27, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC3959
Effective 2026-10-13 through 2026-10-20
Mon
Tue
Wed
-
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2228)
Duration: 1:27, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC3959
Effective 2026-10-21 through 2026-10-24
Mon
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Tue
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Wed
Thu
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Fri
Sat
Sun
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Codeshare flight, operated by United Airlines.
(UA 2228)
Duration: 1:27, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC3959
Effective 2026-04-06 through 2026-04-08
Mon
Tue
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Wed
Thu
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Fri
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Sat
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Sun
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Codeshare flight, operated by United Airlines.
(UA 618)
Duration: 1:26, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC3959
Effective 2026-04-14 through 2026-04-16
Mon
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Tue
Wed
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Thu
Fri
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Sat
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Sun
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Codeshare flight, operated by United Airlines.
(UA 618)
Duration: 1:26, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC3959
Effective 2026-04-22 through 2026-04-24
Mon
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Tue
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Wed
Thu
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Fri
Sat
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Sun
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Codeshare flight, operated by United Airlines.
(UA 618)
Duration: 1:26, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC3959
Operates only on 2026-05-21
Mon
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Tue
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Wed
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Thu
Fri
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Sat
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Sun
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Codeshare flight, operated by United Airlines.
(UA 2378)
Duration: 4:15, non-stop Boeing 737-900 (739)
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Parallax here -
This flight number is listed as serving the following routes:
- Burbank (BUR) - San Francisco (SFO)
- Chicago O'Hare (ORD) - Los Angeles (LAX)
- New Orleans (MSY) - Houston George Bush (IAH)