Schedule: a typical Friday (the flights of Jul 31, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.
JETBLUE · FLIGHT B6 2421
SCHEDULED · TYPICAL SCHEDULE
Tomorrow
B6 2421 · BOS → PBI
departs 7:35 PM ET · arrives 10:56 PM ET
Forecast issued Thu 6:00 AM ET · 38h before departure
Odds over time
Arrive at PBI more than 15 minutes late?
48%
chance · ±6 pts
−2 pts · 24h
HOW SURE WE ARE
Moderate. The odds now blend history with early weather forecasts.
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How late will it get to PBI?
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On time or early
52%
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15–30 min late
15%
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30 min–1 hour late
8%
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1–2 hours late
16%
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Over 2 hours late
8%
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Cancelled
1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.