Schedule: a typical Saturday (the flights of Jul 25, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.
UNITED · FLIGHT UA 1181SCHEDULED · TYPICAL SCHEDULE
UA 1181 · LAS → IAH
departs 8:00 AM PT · arrives 1:07 PM CT
Forecast issued Thu 4:00 PM ET · 43h before departure
Odds over time
Arrive at IAH more than 15 minutes late?
14%chance · ±1 pts−1 pt · 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
85%
15–30 min late
6%
30 min–1 hour late
4%
1–2 hours late
2%
Over 2 hours late
2%
Cancelled
1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.