UA8175 TorontoYYZ San FranciscoSFO · 12:34
UA8175 by United Airlines flies from Toronto (YYZ) to San Francisco (SFO).
scheduled from YYZ
Where the minutes go
last 4 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at YYZ and SFO are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, under conditions like today's, over the last 90 days.
Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Toronto to San Francisco flights today
same route · United AirlinesIf UA8175 is cancelled, these are the other United Airlines nonstop flights from Toronto to San Francisco on the same day, with scheduled departure times in YYZ local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How UA8175 actually runs
Pro Flight Search has tracked every published board update for UA8175 across the YYZ and SFO boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 3 completed legs so far: landed +10 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how UA8175 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationBoard clocks recorded as YYZ and SFO published them.
Planning around UA8175? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search — UA8175 Toronto to San Francisco on-time performance, measured from the YYZ and SFO airport boards.
https://proflightsearch.com/flight/AC741
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