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 4940 LANDED 4:59 PM ET, ~4 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

OO 4940 · ORD → SDF

took off 3:11 PM CT · landed 4:59 PM ET (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 6h after departure

Odds over time

Arrive at SDF more than 15 minutes late?
28% 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% 19h 12h 6h Departs Lands