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 2817 LANDED 11:27 PM CT, ~7 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

AA 2817 · SFO → ORD

took off 5:33 PM PT · landed 11:27 PM CT (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 1h after departure

Odds over time

Arrive at ORD more than 15 minutes late?
33% chance · ±1 pts −4 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% 1.0d 12h 6h Departs Now Lands