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 1231SCHEDULED · TYPICAL SCHEDULE
UA 1231 · ORD → IAH
departs 7:35 AM CT · arrives 10:36 AM CT
Forecast issued Mon 9:00 PM ET · 36h before departure
Odds over time
Arrive at IAH more than 15 minutes late?
19%chance · ±1 pts+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
80%
15–30 min late
8%
30 min–1 hour late
6%
1–2 hours late
4%
Over 2 hours late
1%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.