WN1931 Fort LauderdaleFLL · 17:25 San JuanSJU · 20:00
WN1931 by Southwest Airlines flies from Fort Lauderdale (FLL) to San Juan (SJU).
scheduled from FLL
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at FLL and SJU 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 FLL
ForecastWed 11 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 SJU
ForecastWed 11 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 Fort Lauderdale to San Juan flights today
same route · Southwest AirlinesIf WN1931 is cancelled, this is the other Southwest Airlines nonstop flight from Fort Lauderdale to San Juan on the same day, with scheduled departure times in FLL 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 WN1931 actually runs
Pro Flight Search has tracked every published board update for WN1931 across the FLL and SJU boards: schedule changes, gate pushes and actual clocks. Early read: no clear pattern yet. Only 2 completed legs so far: landed +32 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how WN1931 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: N8758L, N8860S.
Board clocks recorded as FLL and SJU published them.
Planning around WN1931? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search: WN1931 Fort Lauderdale to San Juan on-time performance, measured from the FLL and SJU airport boards.
https://proflightsearch.com/flight/WN1931