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.

UNITED · FLIGHT UA 1304 LANDED 7:28 AM CT, ~15 MIN LATE · SCHEDULED TIME UNKNOWN

UA 1304 · CLT → ORD

took off 6:57 AM ET · landed 7:28 AM CT (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 15h after departure

Odds over time

Arrive at ORD more than 15 minutes late?
26% 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% 16h 12h 6h Departs Lands