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 2817 PROBABLY LANDED (THE FAA HASN'T CONFIRMED THE LANDING TIME) · SCHEDULED TIME UNKNOWN
Today

AA 2817 · SFO → ORD

took off 5:34 PM PT · probably landed (not confirmed) (scheduled time unknown)
Forecast issued Wed 10:00 PM ET · 1h after departure

Odds over time

Arrive at ORD more than 15 minutes late?
56% chance · ±2 pts +15 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 20% 40% 60% 80% 1.1d 12h 6h Departs Now Lands