Schedule: the flights that flew on Tuesday, Sep 29, 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 10:06 AM BST · arrives 2:03 PM CT
Forecast issued Sat 10:00 PM ET · 55h before departure
Odds over time
Arrive at IAH more than 15 minutes late?
8%chance · ±0 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
89%
15–30 min late
3%
30 min–1 hour late
2%
1–2 hours late
2%
Over 2 hours late
1%
Cancelled
3%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.