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 1339 LANDED 5:50 PM CT, ~64 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

AA 1339 · GPI → ORD

took off 3:09 PM -05 · landed 5:50 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?
22% chance · ±0 pts +6 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% 19h 12h 6h Departs Lands