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.

JETBLUE · FLIGHT B6 371 LANDED 7:29 PM ET, ~5 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

B6 371 · LGA → FLL

took off 4:59 PM ET · landed 7:29 PM ET (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 5h after departure

Odds over time

Arrive at FLL more than 15 minutes late?
64% chance · ±0 pts +8 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 25% 50% 75% 100% 1.1d 12h 6h Departs Lands