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 1945 IN THE AIR (OFF 4:57 PM CT, ETA 8:52 PM ET) · SCHEDULED TIME UNKNOWN
Today

AA 1945 · DFW → PHL

took off 4:57 PM CT · expected to land 8:52 PM ET (scheduled time unknown)
Forecast issued Tue 5:00 PM ET · 1h before departure

Odds over time

Arrive at PHL more than 15 minutes late?
39% chance · ±0 pts +2 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 15% 30% 45% 60% 2.9d 2d 1d 12h 6h Now Departs Lands