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 574 IN THE AIR (OFF 8:33 PM CT, ETA 9:28 PM CT) · SCHEDULED TIME UNKNOWN
Today

WN 574 · MDW → MSP

took off 8:33 PM CT · expected to land 9:28 PM CT (scheduled time unknown)
Forecast issued Tue 9:00 PM ET · 1h before departure

Odds over time

Arrive at MSP more than 15 minutes late?
66% chance · ±0 pts +20 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 20% 40% 60% 80% 1.0d 12h 6h Now Departs Lands