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 3077 LANDED 5:14 AM CT, ~12 MIN LATE · SCHEDULED TIME UNKNOWN
Today

AA 3077 · LAS → ORD

took off 12:05 AM PT · landed 5:14 AM CT (scheduled time unknown)
Forecast issued Sun 5:00 AM ET · 2h after departure

Odds over time

Arrive at ORD more than 15 minutes late?
25% chance · ±1 pts +12 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 10% 20% 30% 40% 1.0d 12h 6h Departs Now Lands