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 3105 LANDED 5:07 PM CT, ~10 MIN LATE · SCHEDULED TIME UNKNOWN
Today

AA 3105 · SEA → ORD

took off 11:48 AM PT · landed 5:07 PM CT (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 7h after departure

Odds over time

Arrive at ORD more than 15 minutes late?
41% chance · ±0 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% 19h 12h 6h Departs Lands