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 3600 LANDED 1:21 PM CT, ~14 MIN LATE · SCHEDULED TIME UNKNOWN

MQ 3600 · YUL → ORD

took off 12:34 PM EDT · landed 1:21 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?
18% chance · ±0 pts +4 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% 22h 12h 6h Departs Lands