UA8102United Airlines · SFO → YYZ
live · 17m ago
Route confirmed United Airlines

UA8102 San FranciscoSFO TorontoYYZ

UA8102 by United Airlines flies from San Francisco (SFO) to Toronto (YYZ).

Right nowNext departure today Operates daily
21:45

scheduled from SFO

The route today

live boards
SFOSan FranciscoHigh riskSFO delay board →
YYZTorontoOn-time likelyYYZ delay board →
SFO→YYZevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
57%Chance of 15+ min delay
3.8%Chance of cancellation
+24 minTypical airport delay in this weather

Driven mainly by SFO (San Francisco), currently flying MVFR (marginal visual). These figures come from both airports' records 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 →

Tomorrow at San Francisco

Forecast

Thu 5 Nov, local date

High21°Clikely 19°C to 22°C
Low12°Clikely 10°C to 14°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

Tomorrow at Toronto

Forecast

Thu 5 Nov, local date

High17°Clikely 16°C to 19°C
Low12°Clikely 10°C to 14°C
  • 81% chance of rain

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other San Francisco to Toronto flights today

same route · United Airlines
UA1476departs 00:32
UA608departs 08:10
UA8295departs 10:30
UA8144departs 12:35
UA8193departs 13:26
UA1334departs 23:29

If UA8102 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 that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →

How UA8102 actually runs

Pro Flight Search has tracked every published board update for UA8102 across the SFO and YYZ boards: schedule changes, gate pushes and actual clocks. Combined risk score: 68.5/100. Based on airport operations, weather, and cached board history at SFO and YYZ.

The verdict above is that record speaking, so it reflects how UA8102 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Planning around UA8102? 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: UA8102 San Francisco to Toronto on-time performance, measured from the SFO and YYZ airport boards.

Canonical URL
https://proflightsearch.com/flight/UA8102
How we measure this →