UA8504 San FranciscoSFO · 11:25 VancouverYVR
UA8504 by United Airlines flies from San Francisco (SFO) to Vancouver (YVR) for the Sun, Nov 1 departure.
departs SFO · on schedule
board checked 15m ago · checking again in 45s
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 SFO and YVR are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. 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 on this route
ForecastSan Francisco to Vancouver with United Airlines · Mon 2 Nov, local date
- Chance a departure is cancelled
- 0.6%0.8× usual
- Chance a departure leaves 60+ min late
- 4.5%0.9× usual
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · About 8 departures a day on this route with this airline. · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other San Francisco to Vancouver flights today
same route · United AirlinesIf UA8504 is cancelled, these are the other United Airlines nonstop flights from San Francisco to Vancouver 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 UA8504 actually runs
Pro Flight Search has tracked every published board update for UA8504 across the SFO and YVR boards: schedule changes, gate pushes and actual clocks. Usually departs on time. Based on 4 confirmed departures · 4/4 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how UA8504 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 SFO and YVR published them.
Planning around UA8504? 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: UA8504 San Francisco to Vancouver on-time performance, measured from the SFO and YVR airport boards.
https://proflightsearch.com/flight/UA8504
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