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 879SCHEDULED · TYPICAL SCHEDULE
UA 879 · LHR → IAH
departs 9:55 AM BST · arrives 2:18 PM CT
Forecast issued Mon 1:00 PM ET · 40h before departure
Odds over time
Arrive at IAH more than 15 minutes late?
18%chance · ±2 pts+2 pts · 24h
HOW SURE WE AREModerate. The odds now blend history with early weather forecasts.
How late will it get to IAH?
On time or early
82%
15–30 min late
12%
30 min–1 hour late
3%
1–2 hours late
2%
Over 2 hours late
<1%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.