UA8193 San FranciscoSFO TorontoYYZ
UA8193 by United Airlines flies from San Francisco (SFO) to Toronto (YYZ).
scheduled from SFO
The route today
live boardsWeather lens
Weather-conditioned outlook for this flight right now
Measured, 90-day sampleDriven mainly by SFO (San Francisco), currently flying MVFR (marginal visual). 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 San Francisco to Toronto flights today
same route · United AirlinesIf UA8193 is cancelled, these are the other United Airlines nonstop flights from San Francisco to Toronto on the same day, with scheduled departure times in SFO local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How UA8193 actually runs
Pro Flight Search has tracked every published board update for UA8193 across the SFO and YYZ boards: schedule changes, gate pushes and actual clocks. Combined risk score: 38.0/100. Based on airport operations, weather, and cached board history at SFO and YYZ.
The verdict above is that record speaking, so it reflects how UA8193 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around UA8193? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — UA8193 San Francisco to Toronto on-time performance, measured from the SFO and YYZ airport boards.
https://proflightsearch.com/flight/UA8193
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