Schedule: the flights that flew on Thursday, Oct 22, 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 1:09 PM PT · arrives 6:40 AM GMT
Forecast issued Tue 4:00 AM ET · 60h before departure
Odds over time
Arrive at LHR more than 15 minutes late?
20%chance · ±0 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
4%
30 min–1 hour late
10%
1–2 hours late
3%
Over 2 hours late
2%
Cancelled
2%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.