B6639 BostonBOS · 13:44 AustinAUS · 17:05
B6639 by JetBlue Airways flies from Boston (BOS) to Austin (AUS).
scheduled from BOS
Where the minutes go
last 3 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 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 · JetBlue AirwaysIf B6639 is cancelled, this is the other JetBlue Airways nonstop flight 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 B6639 actually runs
Pro Flight Search has tracked every published board update for B6639 across the BOS and AUS boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 3 completed legs so far: left right on schedule but landed about 37 min early. Not enough to call it.
The verdict above is that record speaking, so it reflects how B6639 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: N3271J, N3145J, N3142J.
Board clocks recorded as BOS and AUS published them.
Planning around B6639? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — B6639 Boston to Austin on-time performance, measured from the BOS and AUS airport boards.
https://proflightsearch.com/flight/B6639
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