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 4092 LANDED 4:17 PM ET, ~4 MIN EARLY · SCHEDULED TIME UNKNOWN
Yesterday

WN 4092 · DEN → ATL

took off 11:56 AM MT · landed 4:17 PM ET (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 8h after departure

Odds over time

Arrive at ATL more than 15 minutes late?
27% chance · ±0 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% 10h 6h Departs Lands