Schedule: a typical summer Friday (the flights of Jul 31, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
UNITED · FLIGHT UA 430SCHEDULED · TYPICAL SCHEDULE
Today
UA 430 · DEN → ONT
departs 11:25 AM MT · arrives 12:47 PM PT
Forecast issued Fri 7:00 AM ET · 6h before departure
Odds over time
Arrive at ONT more than 15 minutes late?
22%chance · ±0 pts+10 pts · 24h
HOW SURE WE AREGood. The odds now lean mostly on firmed-up weather forecasts.
How late will it get to ONT?
On time or early
76%
15–30 min late
15%
30 min–1 hour late
<1%
1–2 hours late
5%
Over 2 hours late
<1%
Cancelled
3%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.