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 1238 LANDED 4:54 PM ET, ~3 MIN LATE · SCHEDULED TIME UNKNOWN
Today

F9 1238 · MCO → ISP

took off 2:42 PM ET · landed 4:54 PM ET (scheduled time unknown)
Forecast issued Tue 3:00 PM ET · 0h before departure

Odds over time

Arrive at ISP more than 15 minutes late?
25% chance · ±1 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% 3h Departs Lands