Schedule: the flights that flew on Tuesday, Oct 6, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
AMERICAN · FLIGHT AA 1509SCHEDULED · TYPICAL SCHEDULE
AA 1509 · BOS → ORD
departs 7:00 AM ET · arrives 9:01 AM CT
Forecast issued Sun 8:00 PM ET · 35h before departure
Odds over time
Arrive at ORD more than 15 minutes late?
11%chance · ±0 pts+1 pt · 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
88%
15–30 min late
3%
30 min–1 hour late
5%
1–2 hours late
1%
Over 2 hours late
2%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.