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 3010 IN THE AIR (OFF 4:57 PM ET, ETA 5:47 PM CT) · SCHEDULED TIME UNKNOWN
Today

WN 3010 · SAV → MDW

took off 4:57 PM ET · expected to land 5:47 PM CT (scheduled time unknown)
Forecast issued Sat 4:00 PM ET · 1h before departure

Odds over time

Arrive at MDW more than 15 minutes late?
33% 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% 13h 6h Now Departs Lands