WN3958 TampaTPA St LouisSTL
WN3958 by Southwest Airlines flies from Tampa (TPA) to St Louis (STL).
scheduled from TPA
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at TPA 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 →
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Tampa to St Louis flights today
same route · Southwest AirlinesIf WN3958 is cancelled, these are the other Southwest Airlines nonstop flights from Tampa to St Louis on the same day, with scheduled departure times in TPA local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How WN3958 actually runs
Pro Flight Search has tracked every published board update for WN3958 across the TPA and STL boards: schedule changes, gate pushes and actual clocks. Combined risk score: 50.0/100. Based on airport operations, weather, and cached board history at TPA and STL.
The verdict above is that record speaking, so it reflects how WN3958 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around WN3958? 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 — WN3958 Tampa to St Louis on-time performance, measured from the TPA and STL airport boards.
https://proflightsearch.com/flight/WN3958
.