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 1290 LANDED 6:55 PM CT, ~23 MIN LATE · SCHEDULED TIME UNKNOWN

AA 1290 · DFW → ORD

took off 4:55 PM CT · landed 6:55 PM CT (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 4h after departure

Odds over time

Arrive at ORD more than 15 minutes late?
48% chance · ±2 pts +2 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% 3.2d 2d 1d 12h 6h Departs Lands