WN4072Southwest Airlines · STL → FLL
live · 1h ago
Route confirmed Southwest Airlines

WN4072 St LouisSTL · 19:55 Fort LauderdaleFLL · 23:50

WN4072 by Southwest Airlines flies from St Louis (STL) to Fort Lauderdale (FLL) for the Thu, Oct 15 departure.

Right nowLanded in Fort Lauderdale · position data
00:06

arrived at FLL · 17 min late

Typical gate push+45 minmedian posted departure
Typical arrival+9 minmedian over 6 operations
Wins back in air~36 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 6 operations · gate push → arrival
0+30+60+90 min
10-15
+45 gate · +11 arrival
10-12
+1 gate · −45 arrival
10-09
+83 gate · +67 arrival
10-08
+46 gate · +9 arrival
10-05
+11 gate · −22 arrival
10-02
+11 gate · −30 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 +9 min · 0 cancelled · 6 operations tracked

The route today

live boards
STLSt LouisOn-time likelySTL delay board →
FLLFort LauderdaleOn-time likelyFLL delay board →
STL→FLLevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
41%Chance of 15+ min delay
2.5%Chance of cancellation
+9 minAvg hub delay right now

Conditions at STL and FLL 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 St Louis to Fort Lauderdale flights today

same route · Southwest Airlines
WN1479departs 06:00
WN4256departs 10:20
WN4100departs 19:55

If WN4072 is cancelled, these are the other Southwest Airlines nonstop flights from St Louis to Fort Lauderdale on the same day, with scheduled departure times in STL local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How WN4072 actually runs

Pro Flight Search has tracked every published board update for WN4072 across the STL and FLL boards: schedule changes, gate pushes and actual clocks. Usually lands ~19 min early. Based on 5 confirmed landings · 4/5 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 WN4072 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
10-15STL 19:55 20:40 (+45)FLL 23:50 00:01 (+11)
10-12STL 19:55 19:56 (+1)FLL 23:50 23:05 (−45)
10-09STL 19:55 21:18 (+83)FLL 23:50 00:57 (+67)
10-08STL 19:55 20:41 (+46)FLL 23:50 23:59 (+9)
10-05STL 19:55 20:06 (+11)FLL 23:50 23:28 (−22)
10-02STL 19:55 20:06 (+11)FLL 23:45 23:15 (−30)

Aircraft

Recent tails: N7743B, N7843A, N930WN, N448WN.

Board clocks recorded as STL and FLL 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 — WN4072 St Louis to Fort Lauderdale on-time performance, measured from the STL and FLL airport boards.

Canonical URL
https://proflightsearch.com/flight/WN4072
How we measure this →