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 6131 LANDED 8:05 AM ET, ~6 MIN LATE · SCHEDULED TIME UNKNOWN
Today

PT 6131 · BUF → PHL

took off 7:03 AM ET · landed 8:05 AM ET (scheduled time unknown)
Forecast issued Mon 9:00 PM ET · 14h after departure

Odds over time

Arrive at PHL more than 15 minutes late?
16% chance · ±0 pts – · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
LIVE IN THE AIR 0% 5% 10% 15% 20% 1h Departs Lands