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 3981 LANDED 4:17 PM ET, ~10 MIN LATE · SCHEDULED TIME UNKNOWN

OO 3981 · MKE → DTW

took off 2:32 PM CT · landed 4:17 PM ET (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 6h after departure

Odds over time

Arrive at DTW more than 15 minutes late?
19% chance · ±0 pts +3 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% 17h 12h 6h Departs Lands