WN4547 San AntonioSAT HoustonHOU
WN4547 by Southwest Airlines flies from San Antonio (SAT) to Houston (HOU).
scheduled from SAT
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at SAT and HOU 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 Houston flights today
same route · Southwest AirlinesIf WN4547 is cancelled, these are the other Southwest Airlines nonstop flights from San Antonio to Houston 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 WN4547 actually runs
Pro Flight Search has tracked every published board update for WN4547 across the SAT and HOU boards: schedule changes, gate pushes and actual clocks. Combined risk score: 50.0/100. Based on airport operations, weather, and cached board history at SAT and HOU.
The verdict above is that record speaking, so it reflects how WN4547 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 HOU published them.
Planning around WN4547? 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 — WN4547 San Antonio to Houston on-time performance, measured from the SAT and HOU airport boards.
https://proflightsearch.com/flight/WN4547
.