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 2571 LANDED 3:56 PM MT, ~18 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

WN 2571 · PDX → PHX

took off 1:36 PM PT · landed 3:56 PM MT (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 5h after departure

Odds over time

Arrive at PHX more than 15 minutes late?
39% 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% 13h 6h Departs Lands