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.

SOUTHWEST · FLIGHT WN 1387 LANDED 4:06 PM CT, ~8 MIN LATE · SCHEDULED TIME UNKNOWN

WN 1387 · MCO → DAL

took off 2:53 PM ET · landed 4:06 PM CT (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 7h after departure

Odds over time

Arrive at DAL more than 15 minutes late?
28% chance · ±0 pts +24 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% 3.2d 2d 1d 12h 6h Departs Lands