WN4545 BostonBOS · 08:00 AustinAUS · 11:15
WN4545 by Southwest Airlines flies from Boston (BOS) to Austin (AUS).
scheduled from BOS
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at BOS and AUS 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 Boston to Austin flights today
same route · Southwest AirlinesIf WN4545 is cancelled, these are the other Southwest Airlines nonstop flights from Boston to Austin on the same day, with scheduled departure times in BOS local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How WN4545 actually runs
Pro Flight Search has tracked every published board update for WN4545 across the BOS and AUS boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 1 completed leg so far: left right on schedule but landed about 19 min early. Not enough to call it.
The verdict above is that record speaking, so it reflects how WN4545 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: N9001F.
Board clocks recorded as BOS and AUS published them.
Planning around WN4545? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — WN4545 Boston to Austin on-time performance, measured from the BOS and AUS airport boards.
https://proflightsearch.com/flight/WN4545
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