Schedule: the flights that flew on Sunday, Oct 25, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
AMERICAN · FLIGHT AA 1520SCHEDULED · TYPICAL SCHEDULE
AA 1520 · LAS → ORD
departs 5:45 PM PT · arrives 11:32 PM CT
Forecast issued Fri 6:00 PM ET · 52h before departure
Odds over time
Arrive at ORD more than 15 minutes late?
46%chance · ±7 pts– · 24h
HOW SURE WE AREModerate. The odds now blend history with early weather forecasts.
How late will it get to ORD?
On time or early
53%
15–30 min late
8%
30 min–1 hour late
16%
1–2 hours late
17%
Over 2 hours late
5%
Cancelled
1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.