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 6391 LANDED 11:34 PM ET, ~7 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

OO 6391 · ORD → ERI

took off 9:37 PM CT · landed 11:34 PM ET (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 1h before departure

Odds over time

Arrive at ERI more than 15 minutes late?
31% chance · ±0 pts +7 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% 3.5d 2d 1d 12h 6h Now Departs Lands