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 668 LANDED 6:56 PM CT, ~8 MIN LATE · SCHEDULED TIME UNKNOWN
Today

WN 668 · HRL → AUS

took off 6:09 PM CT · landed 6:56 PM CT (scheduled time unknown)
Forecast issued Wed 9:00 PM ET · 2h after departure

Odds over time

Arrive at AUS more than 15 minutes late?
25% chance · ±1 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% 20% 40% 60% 80% 1.0d 12h 6h Departs Lands Now