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.

AMERICAN · FLIGHT AA 3321 LANDED 8:16 PM PT, ~6 MIN LATE · SCHEDULED TIME UNKNOWN

AA 3321 · MIA → LAS

took off 6:36 PM ET · landed 8:16 PM PT (scheduled time unknown)
Forecast issued Fri 10:00 PM ET · 3h after departure

Odds over time

Arrive at LAS more than 15 minutes late?
31% chance · ±3 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% 1h Departs Lands