Schedule: a typical summer Saturday (the flights of Jul 25, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
AMERICAN · FLIGHT AA 603SCHEDULED · TYPICAL SCHEDULE
Tomorrow
AA 603 · IAH → MIA
departs 9:40 AM CT · arrives 1:22 PM ET
Forecast issued Fri 1:00 PM ET · 22h before departure
Odds over time
Arrive at MIA more than 15 minutes late?
18%chance · ±2 pts−12 pts · 24h
HOW SURE WE AREGood. The odds now lean mostly on firmed-up weather forecasts.
How late will it get to MIA?
On time or early
82%
15–30 min late
4%
30 min–1 hour late
6%
1–2 hours late
4%
Over 2 hours late
3%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.