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 1439 IN THE AIR (OFF 6:13 PM CT, ETA 9:18 PM ET) · SCHEDULED TIME UNKNOWN
Today

WN 1439 · AUS → MCO

took off 6:13 PM CT · expected to land 9:18 PM ET (scheduled time unknown)
Forecast issued Tue 5:00 PM ET · 2h before departure

Odds over time

Arrive at MCO more than 15 minutes late?
23% chance · ±1 pts −7 pts · 24h
HOW SURE WE ARE High. The odds now come mostly from live FAA and airport data.
WEATHER FORECASTS LIVE IN THE AIR 0% 10% 20% 30% 40% 1.2d 1d 12h 6h Now Departs Lands