WN3725 San AntonioSAT · 09:35 ChicagoMDW · 17:15
WN3725 by Southwest Airlines flies from San Antonio (SAT) to Chicago (MDW) for the Mon, Oct 19 departure.
departs SAT · on schedule
board checked 16m ago · checking again in 45s
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 SAT and MDW 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 San Antonio to Chicago flights today
same route · Southwest AirlinesIf WN3725 is cancelled, these are the other Southwest Airlines nonstop flights from San Antonio to Chicago on the same day, with scheduled departure times in SAT local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How WN3725 actually runs
Pro Flight Search has tracked every published board update for WN3725 across the SAT and MDW boards: schedule changes, gate pushes and actual clocks. Usually lands ~11 min late. Based on 4 confirmed landings · 3/4 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how WN3725 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationBoard clocks recorded as SAT and MDW published them.
Planning around WN3725? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — WN3725 San Antonio to Chicago on-time performance, measured from the SAT and MDW airport boards.
https://proflightsearch.com/flight/WN3725
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