WN4127 St LouisSTL · 14:55 Sarasota/BradentonSRQ · 18:10
WN4127 by Southwest Airlines flies from St Louis (STL) to Sarasota/Bradenton (SRQ).
scheduled from STL
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at STL and SRQ 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 STL
ForecastThu 12 Nov, local date
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 SRQ
ForecastThu 12 Nov, local date
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 departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other St Louis to Sarasota/Bradenton flights today
same route · Southwest AirlinesIf WN4127 is cancelled, these are the other Southwest Airlines nonstop flights from St Louis to Sarasota/Bradenton 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 WN4127 actually runs
Pro Flight Search has tracked every published board update for WN4127 across the STL and SRQ boards: schedule changes, gate pushes and actual clocks. Early read: no clear pattern yet. Only 2 completed legs so far: landed +25 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how WN4127 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: N278WN, N441WN.
Board clocks recorded as STL and SRQ published them.
Planning around WN4127? 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: WN4127 St Louis to Sarasota/Bradenton on-time performance, measured from the STL and SRQ airport boards.
https://proflightsearch.com/flight/WN4127
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