Schedule: a typical summer Friday (the flights of Jul 31, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
UNITED · FLIGHT UA 2277SCHEDULED · TYPICAL SCHEDULE
Today
UA 2277 · ORD → IAD
departs 8:40 AM CT · arrives 11:52 AM ET
Forecast issued Fri 4:00 AM ET · 6h before departure
Odds over time
Arrive at IAD more than 15 minutes late?
16%chance · ±0 pts+5 pts · 24h
HOW SURE WE AREHigh. The odds now come mostly from live FAA and airport data.
How late will it get to IAD?
On time or early
81%
15–30 min late
10%
30 min–1 hour late
<1%
1–2 hours late
4%
Over 2 hours late
1%
Cancelled
4%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.