Schedule: FAA flight plans.
REPUBLIC · FLIGHT YX 4391
SCHEDULED
Today
YX 4391 · MSN → BOS
departs 8:22 AM CT · arrives 12:00 PM ET
Forecast issued Sun 7:00 AM ET · 2h before departure
Odds over time
Arrive at BOS more than 15 minutes late?
44%
chance · ±0 pts
+2 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
89%
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15–30 min late
5%
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30 min–1 hour late
2%
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1–2 hours late
1%
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Over 2 hours late
2%
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Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.