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 8581 SCHEDULED · SCHEDULED TIME UNKNOWN
Today

B6 8581 · FLL → SAL

departs 8:10 AM ET · arrives 9:37 AM CST
Your aircraft is N588JB (A320), coming in as B6 8388 from BNA: landed 1:07 AM ET.
Forecast issued Tue 12:00 PM ET · 4h after departure

Odds over time

Arrive at SAL more than 15 minutes late?
16% chance · ±0 pts −1 pt · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 20% 40% 60% 80% 2.3d 2d 1d 12h 6h Departs Lands Now