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 1989 SCHEDULED · SCHEDULED TIME UNKNOWN
Today

B6 1989 · FLL → SDQ

departs 1:19 AM ET · arrives 3:11 AM AST
Your aircraft is N580JB (A320), coming in as B6 571 from LGA: landed 12:16 AM ET.
Forecast issued Mon 11:00 PM ET · 2h before departure

Odds over time

Arrive at SDQ more than 15 minutes late?
19% chance · ±0 pts – · 24h
HOW SURE WE ARE High. The odds now come mostly from live FAA and airport data.
LIVE IN THE AIR 0% 10% 20% 30% 40% 3h Now Departs Lands