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.

SKYWEST · FLIGHT OO 6351 LANDED 3:31 PM MT, ~9 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

OO 6351 · PHX → DEN

took off 1:15 PM MT · landed 3:31 PM MT (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 6h after departure

Odds over time

Arrive at DEN more than 15 minutes late?
41% chance · ±2 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% 15% 30% 45% 60% 19h 12h 6h Departs Lands