Air Canada
flight
AC 3661:
Multiple routes
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FLIGHT SCHEDULE
Direct Codeshare Flights:
Air Canada AC3661
Effective 2026-01-07 through 2026-01-15
Mon
Tue
Wed
Thu
Fri
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-
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1354)
Duration: 2:33, non-stop Boeing 757-300 (753)
Direct Codeshare Flights:
Air Canada AC3661
Effective 2026-01-16 through 2026-01-23
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 1354)
Duration: 2:33, non-stop Boeing 757-300 (753)
Direct Codeshare Flights:
Air Canada AC3661
Effective 2026-01-24 through 2026-01-31
Mon
Tue
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-
Wed
Thu
Fri
Sat
Sun
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Codeshare flight, operated by United Airlines.
(UA 1354)
Duration: 2:33, non-stop Boeing 757-300 (753)
Direct Codeshare Flights:
Air Canada AC3661
Effective 2026-02-01 through 2026-02-08
Mon
-
-
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1354)
Duration: 2:33, non-stop Boeing 757-300 (753)
Direct Codeshare Flights:
Air Canada AC3661
Effective 2026-02-09 through 2026-02-11
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 1354)
Duration: 2:33, non-stop Boeing 757-300 (753)
Direct Codeshare Flights:
Air Canada AC3661
Operates only on 2026-01-06
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 1354)
Duration: 2:33, non-stop Boeing 757-300 (753)
Direct Codeshare Flights:
Air Canada AC3661
Effective 2026-05-22 through 2026-05-29
Mon
-
-
Tue
Wed
Thu
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Fri
Sat
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-
Sun
Codeshare flight, operated by United Airlines.
(UA 1354)
Duration: 2:20, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC3661
Effective 2026-05-30 through 2026-06-08
Mon
Tue
Wed
-
-
Thu
Fri
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Sat
Sun
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-
Codeshare flight, operated by United Airlines.
(UA 1354)
Duration: 2:20, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC3661
Effective 2026-06-10 through 2026-06-16
Mon
-
-
Tue
Wed
Thu
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-
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 1354)
Duration: 2:20, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC3661
Effective 2026-06-18 through 2026-06-20
Mon
-
-
Tue
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Wed
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Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 1354)
Duration: 2:20, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC3661
Effective 2026-08-22 through 2026-09-26
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 3671)
Duration: 1:25, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC3661
Effective 2026-09-27 through 2026-10-18
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
Codeshare flight, operated by United Airlines.
(UA 3671)
Duration: 1:25, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC3661
Operates only on 2026-03-09
Mon
Tue
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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 301)
Duration: 2:38, non-stop Boeing 737-800 (738)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC3661
Operates only on 2026-03-17
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 301)
Duration: 2:38, non-stop Boeing 737-900 (739)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Air Canada AC3661
Operates only on 2026-03-25
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 301)
Duration: 2:38, non-stop Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
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This flight number is listed as serving the following routes:
- Denver (DEN) - Houston George Bush (IAH)
- San Francisco (SFO) - Denver (DEN)
- Toronto Pearson (YYZ) - Washington Dulles (IAD)