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 1035 IN THE AIR (OFF 11:55 AM PT, ETA 1:47 PM PT) · SCHEDULED TIME UNKNOWN
Today

WN 1035 · GEG → LAS

took off 11:55 AM PT · expected to land 1:47 PM PT (scheduled time unknown)
Forecast issued Sun 2:00 PM ET · 1h before departure

Odds over time

Arrive at LAS more than 15 minutes late?
14% chance · ±1 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% 5% 10% 15% 20% 1.0d 12h 6h Now Departs Lands