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 814 LANDED 9:08 PM PT, ~10 MIN LATE · SCHEDULED TIME UNKNOWN

WN 814 · BNA → LAS

took off 7:49 PM CT · landed 9:08 PM PT (scheduled time unknown)
Forecast issued Fri 10:00 PM ET · 1h after departure

Odds over time

Arrive at LAS more than 15 minutes late?
53% chance · ±2 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