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 618SCHEDULED · TYPICAL SCHEDULE
UA 618 · SAN → IAH
departs 3:10 PM PT · arrives 8:31 PM CT
Forecast issued Thu 1:00 AM ET · 65h before departure
Odds over time
Arrive at IAH more than 15 minutes late?
25%chance · ±3 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
74%
15–30 min late
12%
30 min–1 hour late
1%
1–2 hours late
9%
Over 2 hours late
3%
Cancelled
1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.