WN3853 San FranciscoSFO · 06:50 San DiegoSAN · 08:25
WN3853 by Southwest Airlines flies from San Francisco (SFO) to San Diego (SAN) for the Mon, Nov 9 departure.
estimated arrival at SAN · local time · ~50 min from now
position updated 5m ago · checking again in 90s
Live position · flown path, last 38 min
Where the minutes go
last 5 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The last 30 days
arrival outcome per operationmedian arrival −14 min · 0 cancelled · 5 operations tracked
The route today
live boardsWeather lens
Weather-conditioned outlook for this flight right now
Measured, 90-day sampleDriven mainly by SFO (San Francisco), currently flying IFR (instrument). 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
ForecastTue 10 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 San Diego
ForecastTue 10 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 San Diego flights today
same route · Southwest AirlinesIf WN3853 is cancelled, these are the other Southwest Airlines nonstop flights from San Francisco to San Diego 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 WN3853 actually runs
Pro Flight Search has tracked every published board update for WN3853 across the SFO and SAN boards: schedule changes, gate pushes and actual clocks. Usually lands ~21 min early. Based on 3 confirmed landings · 3/3 within 15 min of schedule. Pushes back late but makes up time in the air.
The verdict above is that record speaking, so it reflects how WN3853 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: N8915Q, N915WN.
Board clocks recorded as SFO and SAN published them.
Planning around WN3853? 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: WN3853 San Francisco to San Diego on-time performance, measured from the SFO and SAN airport boards.
https://proflightsearch.com/flight/WN3853
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