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 5935 LANDED 5:32 PM ET, ~21 MIN LATE · SCHEDULED TIME UNKNOWN
Today

PT 5935 · PHL → BUF

took off 4:38 PM ET · landed 5:32 PM ET (scheduled time unknown)
Forecast issued Mon 6:00 PM ET · 2h after departure

Odds over time

Arrive at BUF more than 15 minutes late?
28% chance · ±0 pts – · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
LIVE IN THE AIR 0% 15% 30% 45% 60% 5h Departs Lands Now