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 3136 LANDED 9:26 PM MT, ~7 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

WN 3136 · PDX → PHX

took off 7:15 PM PT · landed 9:26 PM MT (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 0h before departure

Odds over time

Arrive at PHX more than 15 minutes late?
50% chance · ±2 pts +11 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% 1.1d 12h 6h Now Departs Lands