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.
UNITED · FLIGHT UA 1997
SCHEDULED · TYPICAL SCHEDULE
UA 1997 · IAD → EWR
departs 10:29 PM ET · arrives 11:59 PM ET
Forecast issued Wed 10:00 PM ET · 48h before departure
Odds over time
Arrive at EWR more than 15 minutes late?
50%
chance · ±7 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 EWR?
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On time or early
50%
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15–30 min late
10%
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30 min–1 hour late
5%
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1–2 hours late
25%
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Over 2 hours late
9%
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Cancelled
1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.