Schedule: the flights that flew on Monday, Nov 2, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
UNITED · FLIGHT UA 901SCHEDULED · TYPICAL SCHEDULE
UA 901 · SFO → LHR
departs 1:07 PM PT · arrives 7:41 AM GMT
Forecast issued Fri 11:00 PM ET · 65h before departure
Odds over time
Arrive at LHR more than 15 minutes late?
20%chance · ±4 pts– · 24h
HOW SURE WE AREModerate. The odds now blend history with early weather forecasts.
How late will it get to LHR?
On time or early
78%
15–30 min late
6%
30 min–1 hour late
9%
1–2 hours late
3%
Over 2 hours late
3%
Cancelled
2%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.