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.

ENVOY · FLIGHT MQ 3901 LANDED 10:19 PM CT, ~17 MIN LATE · SCHEDULED TIME UNKNOWN

MQ 3901 · CHA → ORD

took off 9:57 PM ET · landed 10:19 PM CT (scheduled time unknown)
Forecast issued Fri 10:00 PM ET · 0h before departure

Odds over time

Arrive at ORD more than 15 minutes late?
38% chance · ±1 pts – · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
LIVE IN THE AIR 0% 15% 30% 45% 60% 1h Now Departs Lands