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 3052 LANDED 7:31 AM CT, ~10 MIN LATE · SCHEDULED TIME UNKNOWN

WN 3052 · OKC → MDW

took off 5:54 AM CT · landed 7:31 AM CT (scheduled time unknown)
Forecast issued Wed 10:00 PM ET · 15h after departure

Odds over time

Arrive at MDW more than 15 minutes late?
11% chance · ±0 pts +3 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 5% 10% 15% 20% 1.0d 12h 6h Departs Lands