WN4005Southwest Airlines · STL → MSY
live · 2h ago
Route confirmed Southwest Airlines

WN4005 St LouisSTL · 20:55 New OrleansMSY · 22:45

WN4005 by Southwest Airlines flies from St Louis (STL) to New Orleans (MSY).

Right nowNext departure today Operates daily
20:55

scheduled from STL

⚖ WN4005 typically leaves +15 and lands −5. The air wins minutes back.

Where the minutes go

last 7 operations · gate push → arrival
0+62+124+186 min
09-11
+53 gate · +24 arrival
09-10
+4 gate · −12 arrival
09-07
+5 gate · −27 arrival
09-05
+21 gate · −2 arrival
09-04
+53 gate · +24 arrival
09-03
+186 gate · +162 arrival
08-31
−1 gate · −25 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 −5 min · 0 cancelled · 10 operations tracked

The route today

live boards
STLSt LouisOn-time likelySTL delay board →
MSYNew OrleansHigh riskMSY delay board →
STL→MSYevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
43%Chance of 15+ min delay
1.3%Chance of cancellation
+9 minAvg hub delay right now

Conditions at STL and MSY 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 New Orleans flights today

same route · Southwest Airlines
WN3870departs 08:25
WN3326departs 15:40

If WN4005 is cancelled, these are the other Southwest Airlines nonstop flights from St Louis to New Orleans 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 WN4005 actually runs

Pro Flight Search has tracked every published board update for WN4005 across the STL and MSY boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 10 confirmed landings · 7/10 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 WN4005 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
09-11STL 20:55 21:48 (+53)MSY 22:45 23:09 (+24)
09-10STL 20:55 20:59 (+4)MSY 22:45 22:33 (−12)
09-07STL 20:55 21:00 (+5)MSY 22:45 22:18 (−27)
09-05STL 13:55 14:16 (+21)MSY 15:40 15:38 (−2)
09-04STL 20:55 21:48 (+53)MSY 22:45 23:09 (+24)
09-03STL 20:55 00:01 (+186)MSY 22:45 01:27 (+162)
08-31STL 20:55 20:54 (−1)MSY 22:40 22:15 (−25)
08-30STL 20:45 20:57 (+12)MSY 22:30 22:16 (−14)
08-29STL 13:55 14:05 (+10)MSY 15:40 15:23 (−17)
08-28STL 20:55 21:10 (+15)MSY 22:40 22:35 (−5)

Aircraft

Recent tails: N224WN, N222WN, N8723Q, N486WN.

Board clocks recorded as STL and MSY 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 — WN4005 St Louis to New Orleans on-time performance, measured from the STL and MSY airport boards.

Canonical URL
https://proflightsearch.com/flight/WN4005
How we measure this →