Schedule: FAA flight plans.
UNITED · FLIGHT UA 3873
SCHEDULED
Today
UA 3873 · IAD → MLB
departs 9:30 PM ET · arrives 11:57 PM ET
Your aircraft is N77573 (B39M), coming in as UA 1648 from AUA: landed 8:45 PM ET.
Forecast issued Mon 7:00 PM ET · 2h before departure
Odds over time
Arrive at MLB more than 15 minutes late?
20%
chance · ±0 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 MLB?
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On time or early
79%
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15–30 min late
<1%
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30 min–1 hour late
10%
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1–2 hours late
7%
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Over 2 hours late
3%
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Cancelled
1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.