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.

SKYWEST · FLIGHT OO 6255 LANDED 10:16 AM CT, ~18 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

OO 6255 · DTW → ORD

took off 10:33 AM ET · landed 10:16 AM CT (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 12h after departure

Odds over time

Arrive at ORD more than 15 minutes late?
34% chance · ±0 pts +12 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% 20h 12h 6h Departs Lands