Air CanadaAC
Flights AC746 00:05 We Th Sa Su · AC738 08:30 daily · AC740 11:40 daily · AC742 13:25 daily
live
Direct flights from San Francisco (SFO) to Toronto (YYZ): 21 nonstop departures observed each week across 3 airlines. 56% of the last 16 operated flights arrived within 15 minutes of schedule. The median arrival is 8 minutes late. 5 of the 16 tracked flights were cancelled. The nonstop covers 3,628 km, an estimated 5 hours 9 minutes in the air. Measured by Pro Flight Search from live flight boards at San Francisco and Toronto. Updated 6 September 2026 at 15:42 UTC.
SFO
San Francisco
smooth · +0
YYZ
Toronto
smooth · +0
3,628 km · ~5h 09m est.
Runs rough · 3 airlines · 21x weekly · nonstop
56% on time
of the last 16 operated SFO → YYZ flights arrived within 15 minutes
Median arrival delay is +8 min. 5 of 16 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival+8 minacross the last 16 operated legs
Flight time~5h 09mestimated from route distance
Weekly departures21x3 direct airlines on the leg
Cancelled31.3%recent route rate · 5 of 16
The week
scheduled departures · origin local time06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Air CanadaPorter 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 daysHistory
operated legs · board outcomes09-06AC3455departed+18
09-06NZ4528departed+10
09-06NZ4720departed+8
09-06OS8318departed+8
09-06SN9573departed+8
09-06SQ1014departed+8
09-06UA8514departed+8
09-05NZ4724cancelledCNX
09-05OS8216cancelledCNX
09-05SQ1018cancelledCNX
09-05UA8292cancelledCNX
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: 58% odds of a 15+ minute delay and around +23 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 San Francisco to Toronto route actually runs
Pro Flight Search records official board updates for nonstop SFO to YYZ 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 — San Francisco (SFO) to Toronto (YYZ) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/SFO-YYZ
SFO to YYZ questions
Is SFO–YYZ running on time right now?
Smooth skies ahead. Both endpoints currently score the same, route health score 100/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on SFO–YYZ?
Operators schedule morning departures around 00:05 and evening departures around 22:51 from SFO. Earlier flights typically land before destination-airport delays accumulate later in the day; check the YYZ delay card to confirm conditions when you'd arrive.
How long is the flight from SFO to YYZ?
Great-circle distance is 3,628 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 286–341 min gate-to-gate on this route.
How often does SFO–YYZ fly?
3 carriers operate this route, around 58 flights a week between them. Compare carrier days and times in the airline list above.
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