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 3419 LANDED 3:36 PM PT, ~5 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

F9 3419 · SAT → LAS

took off 3:11 PM CT · landed 3:36 PM PT (scheduled time unknown)
Forecast issued Sat 10:00 PM ET · 6h after departure

Odds over time

Arrive at LAS more than 15 minutes late?
38% chance · ±0 pts – · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
LIVE IN THE AIR 0% 15% 30% 45% 60% 2h Departs Lands