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 2437 LANDED 2:19 PM CT, ~17 MIN LATE · SCHEDULED TIME UNKNOWN

AA 2437 · RSW → ORD

took off 12:39 PM ET · landed 2:19 PM CT (scheduled time unknown)
Forecast issued Wed 10:00 PM ET · 9h after departure

Odds over time

Arrive at ORD more than 15 minutes late?
64% chance · ±0 pts +11 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 25% 50% 75% 100% 2.6d 2d 1d 12h 6h Departs Lands