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 1280 LANDED 5:45 PM ET, ~9 MIN LATE · SCHEDULED TIME UNKNOWN
Today

WN 1280 · LAS → DTW

took off 11:30 AM PT · landed 5:45 PM ET (scheduled time unknown)
Forecast issued Tue 9:00 PM ET · 6h after departure

Odds over time

Arrive at DTW more than 15 minutes late?
48% 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% 15% 30% 45% 60% 10h 6h Departs Lands