UA581 San FranciscoSFO · 18:55 RenoRNO · 19:59
UA581 by United Airlines flies from San Francisco (SFO) to Reno (RNO) for the Wed, Nov 11 departure.
en route from SFO to RNO
board checked 2m ago · checking again in 45s
Board estimate · gate and arrival times. Off blocks 18:48 · typical taxi-out at SFO ≈ 11 min.
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 RNO 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 at San Francisco
ForecastThu 12 Nov, local date
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 Reno
ForecastThu 12 Nov, local date
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 departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other San Francisco to Reno flights today
same route · United AirlinesIf UA581 is cancelled, these are the other United Airlines nonstop flights from San Francisco to Reno 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 UA581 actually runs
Pro Flight Search has tracked every published board update for UA581 across the SFO and RNO boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 4 confirmed landings · 4/4 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how UA581 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: N843UA, N14250, N441UA.
Board clocks recorded as SFO and RNO published them.
Planning around UA581? 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: UA581 San Francisco to Reno on-time performance, measured from the SFO and RNO airport boards.
https://proflightsearch.com/flight/UA581
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