UA1815 San FranciscoSFO · 23:59 NashvilleBNA · 06:30
UA1815 by United Airlines flies from San Francisco (SFO) to Nashville (BNA) for the Fri, Sep 25 departure.
arrival expected at BNA · 28 min late
board checked 19m 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
Weather-conditioned outlook for this flight right now
Early read, sample still buildingDriven mainly by SFO (San Francisco), currently flying LIFR (low instrument). For this route and airline, under conditions like today's, over the last 90 days. This route's tracked sample is still thin — treat these as an early read, not a precise forecast.
Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other San Francisco to Nashville flights today
same route · United AirlinesIf UA1815 is cancelled, these are the other United Airlines nonstop flights from San Francisco to Nashville on the same day, with scheduled departure times in SFO local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How UA1815 actually runs
Pro Flight Search has tracked every published board update for UA1815 across the SFO and BNA boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 3 completed legs so far: left noticeably late (~21 min) but landed about 13 min early. Not enough to call it.
The verdict above is that record speaking, so it reflects how UA1815 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: N17459, N17436, N47462, N17414.
Board clocks recorded as SFO and BNA published them.
Planning around UA1815? 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 — UA1815 San Francisco to Nashville on-time performance, measured from the SFO and BNA airport boards.
https://proflightsearch.com/flight/UA1815
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