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.

DELTA · FLIGHT DL 379 LANDED 12:54 PM ET, ~2 MIN LATE · SCHEDULED TIME UNKNOWN

DL 379 · LGA → RSW

took off 10:21 AM ET · landed 12:54 PM ET (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 12h after departure

Odds over time

Arrive at RSW more than 15 minutes late?
26% chance · ±0 pts +12 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 10% 20% 30% 40% 3.0d 2d 1d 12h 6h Departs Lands