Schedule: the flights that flew on Tuesday, Nov 3, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
UNITED · FLIGHT UA 271SCHEDULED · TYPICAL SCHEDULE
UA 271 · IAD → SFO
departs 9:23 AM ET · arrives 11:57 AM PT
Forecast issued Sun 2:00 AM ET · 55h before departure
Odds over time
Arrive at SFO more than 15 minutes late?
12%chance · ±2 pts– · 24h
HOW SURE WE AREModerate. The odds now blend history with early weather forecasts.
How late will it get to SFO?
On time or early
87%
15–30 min late
5%
30 min–1 hour late
4%
1–2 hours late
1%
Over 2 hours late
2%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.