Schedule: the flights that flew on Tuesday, Nov 10, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
AMERICAN · FLIGHT AA 1820SCHEDULED · TYPICAL SCHEDULE
AA 1820 · DFW → ONT
departs 8:27 AM CT · arrives 9:43 AM PT
Forecast issued Sun 10:00 AM ET · 48h before departure
Odds over time
Arrive at ONT more than 15 minutes late?
21%chance · ±2 pts−1 pt · 24h
HOW SURE WE AREModerate. The odds now blend history with early weather forecasts.
How late will it get to ONT?
On time or early
79%
15–30 min late
13%
30 min–1 hour late
4%
1–2 hours late
2%
Over 2 hours late
<1%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.