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 497SCHEDULED · TYPICAL SCHEDULE
UA 497 · SLC → IAH
departs 1:00 PM MT · arrives 5:12 PM CT
Forecast issued Wed 10:00 PM ET · 65h before departure
Odds over time
Arrive at IAH more than 15 minutes late?
30%chance · ±8 pts+12 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
70%
15–30 min late
16%
30 min–1 hour late
4%
1–2 hours late
5%
Over 2 hours late
4%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.