WN1931Southwest Airlines · FLL → SJU
updated 3h ago
Route confirmed Southwest Airlines

WN1931 Fort LauderdaleFLL · 17:25 San JuanSJU · 20:00

WN1931 by Southwest Airlines flies from Fort Lauderdale (FLL) to San Juan (SJU).

Right nowNext departure tomorrow Operates daily
11:40

scheduled from FLL

The route today

live boards
FLLFort LauderdaleOn-time likelyFLL delay board →
SJUSan JuanOn-time likelySJU delay board →
FLL→SJUevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
46%Chance of 15+ min delay
2.2%Chance of cancellation
+26 minTypical airport delay in this weather

Conditions 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

Forecast

Wed 11 Nov, local date

High29°Clikely 28°C to 29°C
Low23°Clikely 22°C to 24°C

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

Forecast

Wed 11 Nov, local date

High32°Clikely 32°C to 33°C
Low26°Clikely 25°C to 27°C

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 departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Fort Lauderdale to San Juan flights today

same route · Southwest Airlines
WN1192departs 19:55

If 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.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
10-30FLL 17:25 18:11 (+46)SJU 20:00 20:19 (+19)
10-29FLL 17:25 18:07 (+42)SJU 20:00 20:15 (+15)

Aircraft

Recent tails: N8758L, N8860S.

Board clocks recorded as FLL and SJU published them.

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search: WN1931 Fort Lauderdale to San Juan on-time performance, measured from the FLL and SJU airport boards.

Canonical URL
https://proflightsearch.com/flight/WN1931
How we measure this →