Air CanadaAC
Flights AC757 08:10 daily · AC759 17:40 daily · AC3234 21:48 daily
live
Direct flights from Montréal (YUL) to San Francisco (SFO): 28 nonstop departures observed each week across 4 airlines. 100% of the last 5 operated flights arrived within 15 minutes of schedule. The median arrival is 6 minutes early. No cancellations were recorded across the 5 tracked flights. The nonstop covers 4,076 km, an estimated 5 hours 44 minutes in the air. Measured by Pro Flight Search from live flight boards at Montréal and San Francisco. Updated 11 September 2026 at 11:38 UTC.
YUL
Montréal
smooth · +0
SFO
San Francisco
disrupted · +151
4,076 km · ~5h 44m est.
Runs reliable · 4 airlines · 28x weekly · nonstop
100% on time
of the last 5 operated YUL → SFO flights arrived within 15 minutes
Median arrival delay is −6 min. 0 of 5 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival−6 minacross the last 5 operated legs
Flight time~5h 44mestimated from route distance
Weekly departures28x4 direct airlines on the leg
The week
scheduled departures · origin local time06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Air CanadaAir New ZealandBrussels AirlinesUnited Airlines
Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.
Who flies it
observed on the boards · 7 daysAir New ZealandNZ
Flights NZ4703 11:21 daily · NZ4807 20:51 daily
Brussels AirlinesSN
Flights SN9591 20:51 daily
United AirlinesUA
Flights UA8339 11:21 daily · UA2384 18:35 daily · UA8079 20:51 daily
History
operated legs · board outcomes09-10AC3234arrived−11
09-10NZ4703arrived+6
09-10NZ4807arrived−6
Actual board outcomes rather than schedules, paired departure and arrival per flight and day.
Full board history, day by day →
Airports right now
live boardsWeather lens
Current conditions put the pressure at SFO: 53% odds of a 15+ minute delay and around +15 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →
next sweep in 120s
How the Montréal to San Francisco route actually runs
Pro Flight Search records official board updates for nonstop YUL to SFO flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.
Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Cite this data
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Suggested citation
Pro Flight Search — Montréal (YUL) to San Francisco (SFO) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/YUL-SFO
YUL to SFO questions
Is YUL–SFO running on time right now?
Significant delay risk. The arrival side at SFO is the weaker end, route health score 50/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on YUL–SFO?
Operators schedule morning departures around 08:10 and evening departures around 17:40 from YUL. Earlier flights typically land before destination-airport delays accumulate later in the day; check the SFO delay card to confirm conditions when you'd arrive.
How long is the flight from YUL to SFO?
Great-circle distance is 4,076 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 318–379 min gate-to-gate on this route.
How often does YUL–SFO fly?
4 carriers operate this route, around 63 flights a week between them. Compare carrier days and times in the airline list above.
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