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 1397 LANDED 11:32 PM ET, ~6 MIN LATE · SCHEDULED TIME UNKNOWN

UA 1397 · EWR → PWM

took off 10:46 PM ET · landed 11:32 PM ET (scheduled time unknown)
Forecast issued Fri 10:00 PM ET · 1h before departure

Odds over time

Arrive at PWM more than 15 minutes late?
62% chance · ±2 pts – · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
LIVE IN THE AIR 0% 20% 40% 60% 80% 2h Now Departs Lands