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.

SOUTHWEST · FLIGHT WN 1219 LANDED 7:30 PM MT, ~6 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

WN 1219 · DEN → BZN

took off 6:14 PM MT · landed 7:30 PM MT (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 2h after departure

Odds over time

Arrive at BZN more than 15 minutes late?
22% chance · ±1 pts −4 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 10% 20% 30% 40% 1.0d 12h 6h Departs Lands