Schedule: the flights that flew on Tuesday, Sep 29, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
UNITED · FLIGHT UA 8277SCHEDULED · TYPICAL SCHEDULE
UA 8277 · EWR → IAD
departs 7:51 PM ET · arrives 9:09 PM ET
Forecast issued Sun 11:00 AM ET · 57h before departure
Odds over time
Arrive at IAD more than 15 minutes late?
19%chance · ±4 pts– · 24h
HOW SURE WE AREModerate. The odds now blend history with early weather forecasts.
How late will it get to IAD?
On time or early
81%
15–30 min late
10%
30 min–1 hour late
4%
1–2 hours late
3%
Over 2 hours late
2%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.