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.

FRONTIER · FLIGHT F9 3606 LANDED 10:16 PM MT, ~20 MIN EARLY · SCHEDULED TIME UNKNOWN

F9 3606 · LAX → PHX

took off 9:17 PM PT · landed 10:16 PM MT (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 3h before departure

Odds over time

Arrive at PHX more than 15 minutes late?
46% chance · ±1 pts +5 pts · 24h
HOW SURE WE ARE High. The odds now come mostly from live FAA and airport data.
WEATHER FORECASTS LIVE IN THE AIR 0% 15% 30% 45% 60% 1.0d 12h 6h Now Departs Lands