B6640 ClevelandCLE · 16:53 BostonBOS · 19:21
B6640 by JetBlue Airways flies from Cleveland (CLE) to Boston (BOS).
scheduled from CLE
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 CLE and BOS 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 Cleveland to Boston flights today
same route · JetBlue AirwaysIf B6640 is cancelled, these are the other JetBlue Airways nonstop flights from Cleveland to Boston on the same day, with scheduled departure times in CLE local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How B6640 actually runs
Pro Flight Search has tracked every published board update for B6640 across the CLE and BOS boards: schedule changes, gate pushes and actual clocks. Usually lands ~110 min late. Based on 1 confirmed landing · 0/1 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how B6640 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: N3142J, N3298J, N3125J.
Board clocks recorded as CLE and BOS published them.
Planning around B6640? 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 — B6640 Cleveland to Boston on-time performance, measured from the CLE and BOS airport boards.
https://proflightsearch.com/flight/B6640
.