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 4679 LANDED 2:47 PM MT, ~11 MIN LATE · SCHEDULED TIME UNKNOWN
Today

WN 4679 · SMF → PHX

took off 1:16 PM PT · landed 2:47 PM MT (scheduled time unknown)
Forecast issued Tue 6:00 PM ET · 2h after departure

Odds over time

Arrive at PHX more than 15 minutes late?
37% chance · ±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% 12h 6h Departs Lands