WN1931Southwest Airlines · FLL → SJU
live · 6h 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 today Operates daily
21:30

scheduled from FLL

⚖ WN1931 typically leaves +45 and lands +26. The air wins minutes back.
Typical gate push+45 minmedian posted departure
Typical arrival+26 minmedian over 8 operations
Wins back in air~19 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 7 operations · gate push → arrival
0+32+64+96 min
10-19
+34 gate · +8 arrival
10-17
+96 gate · +72 arrival
10-16
+49 gate · +26 arrival
10-15
+45 gate · +32 arrival
10-12
+40 gate · +18 arrival
10-10
+36 gate · +13 arrival
10-09
+62 gate · +38 arrival

The 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 operation

median arrival +26 min · 0 cancelled · 8 operations tracked

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
2.6%Chance of cancellation
+20 minAvg hub delay right now

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. For this route and airline, 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 →

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
WN1456departs 11:40
WN1762departs 12:10

If WN1931 is cancelled, these are the other Southwest Airlines nonstop flights from Fort Lauderdale to San Juan on the same day, with scheduled departure times in FLL local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. 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. Usually lands ~29 min late. Based on 8 confirmed landings · 2/8 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 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
10-19FLL 17:25 17:59 (+34)SJU 20:00 20:08 (+8)
10-17FLL 11:40 13:16 (+96)SJU 14:15 15:27 (+72)
10-16FLL 17:25 18:14 (+49)SJU 20:00 20:26 (+26)
10-15FLL 17:25 18:10 (+45)SJU 20:00 20:32 (+32)
10-12FLL 17:25 18:05 (+40)SJU 20:00 20:18 (+18)
10-10FLL 11:40 12:16 (+36)SJU 14:15 14:28 (+13)
10-09FLL 17:25 18:27 (+62)SJU 20:00 20:38 (+38)
10-08FLL 17:25 18:10 (+45)SJU 20:00 20:20 (+20)

Aircraft

Recent tails: N8777Q, N9003B, N8755L, N8834L.

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

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 →