Schedule: the flights that flew on Tuesday, Oct 6, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
UNITED · FLIGHT UA 901SCHEDULED · TYPICAL SCHEDULE
Tomorrow
UA 901 · SFO → LHR
departs 1:06 PM PT · arrives 7:31 AM BST
Forecast issued Mon 12:00 PM ET · 28h before departure
Odds over time
Arrive at LHR more than 15 minutes late?
16%chance · ±4 pts−2 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
83%
15–30 min late
7%
30 min–1 hour late
5%
1–2 hours late
3%
Over 2 hours late
2%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.