WN4086Southwest Airlines · STL → LGA
live · 10m ago
Route confirmed Southwest Airlines

WN4086 St LouisSTL · 19:50 New YorkLGA · 23:15

WN4086 by Southwest Airlines flies from St Louis (STL) to New York (LGA).

Right nowNext departure tomorrow Operates daily
09:05

scheduled from STL

⚖ WN4086 typically leaves +51 and lands +22. The air wins minutes back.
Typical gate push+51 minmedian posted departure
Typical arrival+22 minmedian over 9 operations
Wins back in air~29 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
11-05
+57 gate · +30 arrival
10-30
+51 gate · +14 arrival
10-29
+57 gate · +30 arrival
10-28
+4 gate · −22 arrival
10-27
+53 gate · +22 arrival
10-26
+27 gate · +4 arrival
10-25
+43 gate · +24 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 +22 min · 0 cancelled · 9 operations tracked

The route today

live boards
STLSt LouisOn-time likelySTL delay board →
LGANew YorkOn-time likelyLGA delay board →
STL→LGAevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
38%Chance of 15+ min delay
2.3%Chance of cancellation
+8 minTypical airport delay in this weather

Conditions at STL and LGA 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 St Louis

Forecast

Fri 6 Nov, local date

High12°Clikely 11°C to 13°C
Low7°Clikely 5°C to 9°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 New York

Forecast

Fri 6 Nov, local date

High20°Clikely 19°C to 21°C
Low17°Clikely 14°C to 19°C
  • 97% chance of rain

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 St Louis to New York flights today

same route · Southwest Airlines
WN168departs 05:30
WN1085departs 05:35
WN882departs 05:35
WN3566departs 08:00
WN479departs 11:05
WN553departs 11:05

If WN4086 is cancelled, these are the other Southwest Airlines nonstop flights from St Louis to New York on the same day, with scheduled departure times in STL 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 WN4086 actually runs

Pro Flight Search has tracked every published board update for WN4086 across the STL and LGA boards: schedule changes, gate pushes and actual clocks. Usually lands ~22 min late. Based on 9 confirmed landings · 3/9 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 WN4086 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
11-05STL 19:50 20:47 (+57)LGA 23:15 23:45 (+30)
10-30STL 19:50 20:41 (+51)LGA 23:15 23:29 (+14)
10-29STL 19:50 20:47 (+57)LGA 23:15 23:45 (+30)
10-28STL 19:40 19:44 (+4)LGA 23:05 22:43 (−22)
10-27STL 19:40 20:33 (+53)LGA 23:05 23:27 (+22)
10-26STL 19:50 20:17 (+27)LGA 23:15 23:19 (+4)
10-25STL 19:50 20:33 (+43)LGA 23:15 23:39 (+24)
10-23STL 19:50 20:35 (+45)LGA 23:15 23:36 (+21)
10-22STL 19:50 20:42 (+52)LGA 23:15 23:46 (+31)

Aircraft

Recent tails: N9022W, N8941Q, N8937Q, N9012J.

Board clocks recorded as STL and LGA 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: WN4086 St Louis to New York on-time performance, measured from the STL and LGA airport boards.

Canonical URL
https://proflightsearch.com/flight/WN4086
How we measure this →