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 3173 LANDED 11:08 PM ET, ~8 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

AA 3173 · ORD → JAX

took off 8:19 PM CT · landed 11:08 PM ET (scheduled time unknown)
Forecast issued Fri 10:00 PM ET · 1h after departure

Odds over time

Arrive at JAX more than 15 minutes late?
44% chance · ±2 pts – · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
LIVE IN THE AIR 0% 15% 30% 45% 60% 1h Departs Lands