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 1915 LANDED 3:36 PM CT, ~7 MIN LATE · SCHEDULED TIME UNKNOWN
Today

WN 1915 · LAS → BNA

took off 10:39 AM PT · landed 3:36 PM CT (scheduled time unknown)
Forecast issued Tue 4:00 PM ET · 2h after departure

Odds over time

Arrive at BNA more than 15 minutes late?
34% chance · ±3 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% 10h 6h Departs Lands