WN3040 MiamiMIA · 19:10 St LouisSTL · 21:00
WN3040 by Southwest Airlines flies from Miami (MIA) to St Louis (STL).
scheduled from MIA
Where the minutes go
last 4 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at MIA and STL 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 →
Tomorrow on this route
ForecastMiami to St Louis with Southwest Airlines · Thu 29 Oct, local date
- Chance a departure is cancelled
- 0.7%0.4× usual
- Chance a departure leaves 60+ min late
- 19%1.4× usual
Forecast weather: 82% chance of rain at Miami
Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 1 departures a day on this route with this airline. · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Miami to St Louis flights today
same route · Southwest AirlinesIf WN3040 is cancelled, these are the other Southwest Airlines nonstop flights from Miami to St Louis on the same day, with scheduled departure times in MIA local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How WN3040 actually runs
Pro Flight Search has tracked every published board update for WN3040 across the MIA and STL boards: schedule changes, gate pushes and actual clocks. Usually lands ~35 min late. Based on 3 confirmed landings · 0/3 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 WN3040 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationAircraft
Recent tails: N8934Q, N8959Q, N8990Q, N8660A.
Board clocks recorded as MIA and STL published them.
Planning around WN3040? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search — WN3040 Miami to St Louis on-time performance, measured from the MIA and STL airport boards.
https://proflightsearch.com/flight/WN3040
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