Schedule: the flights that flew on Wednesday, Oct 7, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
AMERICAN · FLIGHT AA 1997SCHEDULED · TYPICAL SCHEDULE
AA 1997 · STL → ORD
departs 7:20 AM CT · arrives 8:47 AM CT
Forecast issued Mon 1:00 PM ET · 43h before departure
Odds over time
Arrive at ORD more than 15 minutes late?
18%chance · ±2 pts−4 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
80%
15–30 min late
5%
30 min–1 hour late
6%
1–2 hours late
2%
Over 2 hours late
5%
Cancelled
2%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.