Schedule: the flights that flew on Wednesday, Nov 4, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
UNITED · FLIGHT UA 1791SCHEDULED · TYPICAL SCHEDULE
Tomorrow
UA 1791 · SFO → IAD
departs 1:55 PM PT · arrives 10:18 PM ET
Forecast issued Tue 12:00 PM ET · 29h before departure
Odds over time
Arrive at IAD more than 15 minutes late?
13%chance · ±2 pts−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
86%
15–30 min late
5%
30 min–1 hour late
3%
1–2 hours late
4%
Over 2 hours late
1%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.