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 1490 LANDED 12:26 PM ET, ~1 MIN EARLY · SCHEDULED TIME UNKNOWN
Today

WN 1490 · DAL → SDF

took off 9:59 AM CT · landed 12:26 PM ET (scheduled time unknown)
Forecast issued Sun 12:00 PM ET · 1h after departure

Odds over time

Arrive at SDF more than 15 minutes late?
26% chance · ±1 pts +11 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