Air Canada
flight
AC 4254:
San Francisco - Vancouver
San Francisco - Vancouver
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FLIGHT SCHEDULE
Direct Codeshare Flights:
Air Canada AC4254
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2051)
Duration: 2:31, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC4254
Effective from 2026-04-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2051)
Duration: 2:14, non-stop Airbus A320 (320)
Direct Codeshare Flights:
Air Canada AC4254
Effective 2026-01-07 through 2026-01-14
Mon
Tue
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-
Wed
Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2051)
Duration: 2:33, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC4254
Effective 2026-01-17 through 2026-01-24
Mon
-
-
Tue
-
-
Wed
Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2051)
Duration: 2:33, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC4254
Effective 2026-01-26 through 2026-02-02
Mon
Tue
-
-
Wed
Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2051)
Duration: 2:33, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC4254
Effective 2026-02-03 through 2026-02-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2051)
Duration: 2:33, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC4254
Operates only on 2026-02-11
Mon
-
-
Tue
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Wed
Thu
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Fri
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Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2051)
Duration: 2:33, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC4254
Valid until 2026-01-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2051)
Duration: 2:32, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Air Canada AC4254
Operates only on 2026-01-05
Mon
Tue
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-
Wed
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-
Thu
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-
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 2051)
Duration: 2:32, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC4254
Effective 2026-01-06 through 2026-01-13
Mon
-
-
Tue
Wed
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-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 2051)
Duration: 2:32, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC4254
Effective 2026-01-15 through 2026-01-20
Mon
Tue
Wed
-
-
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 2051)
Duration: 2:32, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC4254
Effective 2026-01-25 through 2026-02-01
Mon
-
-
Tue
Wed
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-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 2051)
Duration: 2:32, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC4254
Effective 2026-02-08 through 2026-02-10
Mon
-
-
Tue
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 2051)
Duration: 2:32, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC4254
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2051)
Duration: 2:29, non-stop Airbus A320 (320)
Direct Codeshare Flights:
Air Canada AC4254
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2051)
Duration: 2:28, non-stop Boeing 737-900 (739)
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Parallax here SFO-YVR
- AC 4254 is an international flight departing from San Francisco airport, United States (SFO) and arriving at Vancouver airport, Canada (YVR).
- The flight distance is 800 miles, or 1288 km.
- The timezone of both the departure and the arrival airports is UTC-8 . Current time at both airports is (loading...).
- For direct flights, the flight time varies between 2:14 and 2:33.