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 1451SCHEDULED · TYPICAL SCHEDULE
Tomorrow
UA 1451 · DEN → JAX
departs 10:05 AM MT · arrives 3:39 PM ET
Forecast issued Sat 3:00 AM ET · 33h before departure
Odds over time
Arrive at JAX more than 15 minutes late?
16%chance · ±2 pts+2 pts · 24h
HOW SURE WE AREModerate. The odds now blend history with early weather forecasts.
How late will it get to JAX?
On time or early
84%
15–30 min late
7%
30 min–1 hour late
3%
1–2 hours late
4%
Over 2 hours late
1%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.