UA1259 San FranciscoSFO · 10:53 PittsburghPIT · 16:55
UA1259 by United Airlines flies from San Francisco (SFO) to Pittsburgh (PIT) for the Sun, Nov 1 departure.
Same number through SFO → IAH → PIT
departs SFO · on schedule
board checked 28m ago · checking again in 45s
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at SFO and PIT 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 Houston with United Airlines · Mon 2 Nov, local date
- Chance a departure is cancelled
- 0.3%3.4× usual
- Chance a departure leaves 60+ min late
- 3.2%1.3× usual
Forecast weather: 48% chance of fog at Houston
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · About 11 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 Pittsburgh flights today
same route · United AirlinesIf UA1259 is cancelled, these are the other United Airlines nonstop flights from San Francisco to Pittsburgh 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 UA1259 actually runs
Pro Flight Search has tracked every published board update for UA1259 across the SFO and PIT boards: schedule changes, gate pushes and actual clocks. Early read: no clear pattern yet. Only 2 completed legs so far: left noticeably late (~43 min) but landed a little late (~11 min). Not enough to call it.
The verdict above is that record speaking, so it reflects how UA1259 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 PIT published them.
Planning around UA1259? 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: UA1259 San Francisco to Pittsburgh on-time performance, measured from the SFO and PIT airport boards.
https://proflightsearch.com/flight/UA1259
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