UA817 San FranciscoSFO · 13:14 Mexico CityMEX · 18:35
UA817 by United Airlines flies from San Francisco (SFO) to Mexico City (MEX) for the Thu, Oct 29 departure.
departs SFO · on schedule
board checked 3m 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 MEX 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 Mexico City with United Airlines · Fri 30 Oct, local date
- Chance a departure is cancelled
- 0.3%1.0× usual
- Chance a departure leaves 60+ min late
- 3.6%1.5× usual
Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 3 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 Mexico City flights today
same route · United AirlinesIf UA817 is cancelled, these are the other United Airlines nonstop flights from San Francisco to Mexico City 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 UA817 actually runs
Pro Flight Search has tracked every published board update for UA817 across the SFO and MEX boards: schedule changes, gate pushes and actual clocks. Usually departs on time. Based on 4 confirmed departures · 3/4 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how UA817 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationAircraft
Recent tails: N829UA.
Board clocks recorded as SFO and MEX published them.
Planning around UA817? 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: UA817 San Francisco to Mexico City on-time performance, measured from the SFO and MEX airport boards.
https://proflightsearch.com/flight/UA817
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