B639 Fort LauderdaleFLL · 11:00 San JoséSJO
B639 by JetBlue Airways flies from Fort Lauderdale (FLL) to San José (SJO) for the Fri, Sep 11 departure.
departs FLL · 5 min late
board checked 202m ago · checking again in 45s
Where the minutes go
last 7 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The last 30 days
arrival outcome per operation0 cancelled · 13 operations tracked
The route today
live boardsWhen it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
How B639 actually runs
Pro Flight Search has tracked every published board update for B639 across the FLL and SJO boards: schedule changes, gate pushes and actual clocks. Usually departs ~35 min late. Based on 13 confirmed departures · 0/13 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how B639 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: N828JB, N661JB, N535JB, N809JB.
Board clocks recorded as FLL and SJO published them.
Planning around B639? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — B639 Fort Lauderdale to San José on-time performance, measured from the FLL and SJO airport boards.
https://proflightsearch.com/flight/B639
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