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.

UNITED · FLIGHT UA 1254 LANDED 7:41 PM MT, ~7 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

UA 1254 · DEN → PHX

took off 7:17 PM MT · landed 7:41 PM MT (scheduled time unknown)
Forecast issued Fri 10:00 PM ET · 1h after departure

Odds over time

Arrive at PHX more than 15 minutes late?
36% chance · ±0 pts +17 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% 4.0d 2d 1d 12h 6h Departs Lands