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 2131 LANDED 6:45 PM CT, ~20 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

AA 2131 · SAN → ORD

took off 1:21 PM PT · landed 6:45 PM CT (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 6h after departure

Odds over time

Arrive at ORD more than 15 minutes late?
44% chance · ±0 pts +10 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% 1.1d 12h 6h Departs Lands