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 3736 LANDED 11:39 PM ET, ~8 MIN LATE · SCHEDULED TIME UNKNOWN

F9 3736 · CLE → FLL

took off 9:17 PM ET · landed 11:39 PM ET (scheduled time unknown)
Forecast issued Tue 11:00 PM ET · 2h after departure

Odds over time

Arrive at FLL more than 15 minutes late?
41% 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% 1h Departs Lands