Schedule: FAA flight plans.
REPUBLIC · FLIGHT YX 4539
SCHEDULED
Today
YX 4539 · PIT → ORD
departs 7:59 AM ET · arrives 8:45 AM CT
Forecast issued Sat 1:00 AM ET · 7h before departure
Odds over time
Arrive at ORD more than 15 minutes late?
10%
chance · ±0 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 ORD?
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On time or early
90%
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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
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%.