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 2358 IN THE AIR (OFF 1:32 PM PT, ETA 7:28 PM CT) · SCHEDULED TIME UNKNOWN
Today

AA 2358 · SFO → ORD

took off 1:32 PM PT · expected to land 7:28 PM CT (scheduled time unknown)
Forecast issued Tue 4:00 PM ET · 1h before departure

Odds over time

Arrive at ORD more than 15 minutes late?
46% chance · ±1 pts +8 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 Now Departs Lands