Schedule: FAA flight plans.
REPUBLIC · FLIGHT YX 4391
DELAYED: NOW PLANNED TO TAKE OFF 7:04 AM CT (16 MIN LATER THAN FIRST FILED)
Today
YX 4391 · MSN → BOS
departs 6:40 AM CT · arrives 10:21 AM ET
Forecast issued Tue 1:00 AM ET · 7h before departure
Odds over time
Arrive at BOS more than 15 minutes late?
38%
chance · ±0 pts
−3 pts · 24h
HOW SURE WE ARE
Good. The odds now lean mostly on firmed-up weather forecasts.
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How late will it get to BOS?
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On time or early
95%
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15–30 min late
<1%
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30 min–1 hour late
<1%
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1–2 hours late
2%
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Over 2 hours late
<1%
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Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.