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 3347 LANDED 7:57 PM CT, ~5 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

WN 3347 · BOS → AUS

took off 4:45 PM ET · landed 7:57 PM CT (scheduled time unknown)
Forecast issued Fri 10:00 PM ET · 5h after departure

Odds over time

Arrive at AUS more than 15 minutes late?
58% chance · ±1 pts – · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
LIVE IN THE AIR 0% 20% 40% 60% 80% 1h Departs Lands