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.

PIEDMONT · FLIGHT PT 5866 LANDED 1:09 AM ET, ~10 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

PT 5866 · ORH → PHL

took off 12:13 AM ET · landed 1:09 AM ET (scheduled time unknown)
Forecast issued Mon 10:00 PM ET · 22h after departure

Odds over time

Arrive at PHL more than 15 minutes late?
22% chance · ±0 pts – · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
LIVE IN THE AIR 0% 10% 20% 30% 40% 1h Departs Lands