Schedule: a typical Saturday (the flights of Jul 25, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.
AMERICAN · FLIGHT AA 551SCHEDULED · TYPICAL SCHEDULE
AA 551 · MIA → PHL
departs 9:15 AM ET · arrives 12:10 PM ET
Forecast issued Wed 5:00 PM ET · 64h before departure
Odds over time
Arrive at PHL more than 15 minutes late?
16%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 PHL?
On time or early
84%
15–30 min late
6%
30 min–1 hour late
6%
1–2 hours late
1%
Over 2 hours late
3%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.