Schedule: the flights that flew on Wednesday, Oct 21, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
AMERICAN · FLIGHT AA 857SCHEDULED · TYPICAL SCHEDULE
Tomorrow
AA 857 · BOS → PHL
departs 5:00 PM ET · arrives 6:39 PM ET
Forecast issued Tue 1:00 AM ET · 40h before departure
Odds over time
Arrive at PHL more than 15 minutes late?
31%chance · ±2 pts−1 pt · 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
68%
15–30 min late
19%
30 min–1 hour late
7%
1–2 hours late
3%
Over 2 hours late
2%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.