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.

UNITED · FLIGHT UA 2170 LANDED 7:27 AM CT, ~33 MIN LATE · SCHEDULED TIME UNKNOWN
Today

UA 2170 · PWM → ORD

took off 6:12 AM ET · landed 7:27 AM CT (scheduled time unknown)
Forecast issued Wed 2:00 PM ET · 8h after departure

Odds over time

Arrive at ORD more than 15 minutes late?
27% chance · ±1 pts +12 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 15% 30% 45% 60% 1.1d 12h 6h Departs Lands