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 2341 LANDED 2:16 PM PT, ~9 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

F9 2341 · DEN → LAX

took off 1:16 PM MT · landed 2:16 PM PT (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 7h after departure

Odds over time

Arrive at LAX more than 15 minutes late?
25% chance · ±0 pts – · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
LIVE IN THE AIR 0% 10% 20% 30% 40% 2h Departs Lands