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 3568 LANDED 9:13 AM CT, ~8 MIN LATE · SCHEDULED TIME UNKNOWN
Today

WN 3568 · RDU → MDW

took off 8:36 AM ET · landed 9:13 AM CT (scheduled time unknown)
Forecast issued Sat 6:00 PM ET · 9h after departure

Odds over time

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