Tracked live by the FAA, but its flight plan was first seen after takeoff, so we don't know the scheduled time and can't say whether it's late.

AMERICAN · FLIGHT AA 1233 LANDED 11:47 AM ET, ~15 MIN LATE · SCHEDULED TIME UNKNOWN

AA 1233 · SAT → PHL

took off 7:20 AM CT · landed 11:47 AM ET (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 14h after departure

Odds over time

Arrive at PHL more than 15 minutes late?
12% chance · ±0 pts −3 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 5% 10% 15% 20% 17h 12h 6h Departs Lands