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 679 IN THE AIR (OFF 5:41 PM ET, ETA 6:55 PM CT) · SCHEDULED TIME UNKNOWN
Today

WN 679 · MCO → MDW

took off 5:41 PM ET · expected to land 6:55 PM CT (scheduled time unknown)
Forecast issued Tue 5:00 PM ET · 1h before departure

Odds over time

Arrive at MDW more than 15 minutes late?
28% chance · ±1 pts −1 pt · 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% 1.1d 12h 6h Now Departs Lands