Schedule: the flights that flew on Wednesday, Oct 7, 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 7:34 AM BST
Forecast issued Mon 4:00 PM ET · 48h before departure
Odds over time
Arrive at LHR more than 15 minutes late?
14%chance · ±0 pts+1 pt · 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
85%
15–30 min late
5%
30 min–1 hour late
5%
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%.