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 2411 LANDED 7:02 AM CT, ~7 MIN LATE · SCHEDULED TIME UNKNOWN

WN 2411 · LGA → MDW

took off 6:16 AM ET · landed 7:02 AM CT (scheduled time unknown)
Forecast issued Wed 10:00 PM ET · 16h after departure

Odds over time

Arrive at MDW more than 15 minutes late?
16% chance · ±0 pts +5 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% 1.1d 12h 6h Departs Lands