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 256
SCHEDULED · TYPICAL SCHEDULE
Tomorrow
B6 256 · BZN → BOS
departs 12:37 PM MT · arrives 7:06 PM ET
Forecast issued Thu 1:00 AM ET · 38h before departure
Odds over time
Arrive at BOS more than 15 minutes late?
58%
chance · ±4 pts
+22 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 BOS?
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On time or early
41%
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15–30 min late
9%
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30 min–1 hour late
16%
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1–2 hours late
20%
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Over 2 hours late
13%
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Cancelled
2%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.