Schedule: a typical summer Saturday (the flights of Jul 25, 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
Tomorrow
UA 2277 · ORD → IAD
departs 8:43 AM CT · arrives 11:55 AM ET
Forecast issued Fri 6:00 AM ET · 28h before departure
Odds over time
Arrive at IAD more than 15 minutes late?
9%chance · ±1 pts+0 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
91%
15–30 min late
5%
30 min–1 hour late
<1%
1–2 hours late
3%
Over 2 hours late
<1%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.