Schedule: a typical summer Sunday (the flights of Jul 26, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
UNITED · FLIGHT UA 425SCHEDULED · TYPICAL SCHEDULE
UA 425 · ATL → IAH
departs 11:37 AM ET · arrives 12:47 PM CT
Forecast issued Fri 10:00 AM ET · 50h before departure
Odds over time
Arrive at IAH more than 15 minutes late?
27%chance · ±3 pts−11 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
72%
15–30 min late
4%
30 min–1 hour late
11%
1–2 hours late
8%
Over 2 hours late
3%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.