WN4129 St LouisSTL · 10:05 TampaTPA · 13:20
WN4129 by Southwest Airlines flies from St Louis (STL) to Tampa (TPA) for the Sat, Oct 17 departure.
estimated arrival at TPA · local time · ~68 min from now
position updated 5m ago · checking again in 90s
Live position · flown path, last 34 min
Where the minutes go
last 7 operations · gate push → arrivalThe 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 operationmedian arrival +2 min · 0 cancelled · 13 operations tracked
The route today
live boardsWeather lens
Weather-conditioned outlook for this flight right now
Measured, 90-day sampleDriven mainly by TPA (Tampa), currently flying MVFR (marginal visual). 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 St Louis to Tampa flights today
same route · Southwest AirlinesIf WN4129 is cancelled, these are the other Southwest Airlines nonstop flights from St Louis to Tampa 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 WN4129 actually runs
Pro Flight Search has tracked every published board update for WN4129 across the STL and TPA boards: schedule changes, gate pushes and actual clocks. Usually lands ~8 min late. Based on 8 confirmed landings · 7/8 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how WN4129 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: N9012J, N8870K, N8677A, N8605E.
Board clocks recorded as STL and TPA published them.
Planning around WN4129? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — WN4129 St Louis to Tampa on-time performance, measured from the STL and TPA airport boards.
https://proflightsearch.com/flight/WN4129
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