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 3459 LANDED 8:19 PM CT, ~7 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

WN 3459 · DEN → BNA

took off 5:23 PM MT · landed 8:19 PM CT (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 3h after departure

Odds over time

Arrive at BNA more than 15 minutes late?
30% chance · ±0 pts +0 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 15% 30% 45% 60% 1.2d 1d 12h 6h Departs Lands