Schedule: the flights that flew on Wednesday, Nov 4, 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 · IAH → PHL
departs 8:30 AM CT · arrives 1:05 PM ET
Forecast issued Sun 5:00 PM ET · 64h before departure
Odds over time
Arrive at PHL more than 15 minutes late?
9%chance · ±1 pts−11 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
90%
15–30 min late
4%
30 min–1 hour late
2%
1–2 hours late
2%
Over 2 hours late
2%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.