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 3369 LANDED 4:58 PM PT, ~10 MIN LATE · SCHEDULED TIME UNKNOWN
Today

WN 3369 · RNO → LAS

took off 4:05 PM PT · landed 4:58 PM PT (scheduled time unknown)
Forecast issued Tue 7:00 PM ET · 0h before departure

Odds over time

Arrive at LAS more than 15 minutes late?
58% chance · ±2 pts +12 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% 1.2d 1d 12h 6h Now Departs Lands