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 2129 LANDED 2:58 PM ET, ~6 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

B6 2129 · JFK → RSW

took off 12:24 PM ET · landed 2:58 PM ET (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 10h after departure

Odds over time

Arrive at RSW more than 15 minutes late?
31% chance · ±0 pts −2 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 15% 30% 45% 60% 2.4d 2d 1d 12h 6h Departs Lands