Schedule: a typical summer Monday (the flights of Jul 27, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
UNITED · FLIGHT UA 2453SCHEDULED · TYPICAL SCHEDULE
UA 2453 · JAX → IAH
departs 7:05 AM ET · arrives 8:29 AM CT
Forecast issued Fri 5:00 PM ET · 62h before departure
Odds over time
Arrive at IAH more than 15 minutes late?
9%chance · ±3 pts−2 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
90%
15–30 min late
4%
30 min–1 hour late
1%
1–2 hours late
2%
Over 2 hours late
3%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.