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 4991 LANDED 1:13 PM CT, ~34 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

OO 4991 · FSD → ORD

took off 12:06 PM CT · landed 1:13 PM CT (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 9h after departure

Odds over time

Arrive at ORD more than 15 minutes late?
45% 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% 20% 40% 60% 80% 2.7d 2d 1d 12h 6h Departs Lands