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 3931 LANDED 11:35 PM ET, ~8 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

OO 3931 · DTW → CLE

took off 11:07 PM ET · landed 11:35 PM ET (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 1h before departure

Odds over time

Arrive at CLE more than 15 minutes late?
14% chance · ±0 pts +0 pts · 24h
HOW SURE WE ARE High. The odds now come mostly from live FAA and airport data.
WEATHER FORECASTS LIVE IN THE AIR 0% 5% 10% 15% 20% 1.0d 12h 6h Now Departs