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.

FRONTIER · FLIGHT F9 2506 LANDED 9:15 AM ET, ~5 MIN LATE · SCHEDULED TIME UNKNOWN

F9 2506 · MCO → PHL

took off 7:10 AM ET · landed 9:15 AM ET (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 15h after departure

Odds over time

Arrive at PHL more than 15 minutes late?
25% 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% 2h Departs Lands