Schedule: FAA flight plans.
DELTA · FLIGHT DL 257
SCHEDULED
Today
DL 257 · AMS → BOS
departs 2:53 PM CEST · arrives 4:12 PM ET
Forecast issued Wed 6:00 AM ET · 3h before departure
Odds over time
Arrive at BOS more than 15 minutes late?
19%
chance · ±1 pts
+7 pts · 24h
HOW SURE WE ARE
High. The odds now come mostly from live FAA and airport data.
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How late will it get to BOS?
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On time or early
78%
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15–30 min late
2%
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30 min–1 hour late
6%
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1–2 hours late
7%
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Over 2 hours late
3%
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Cancelled
4%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.