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 1931 LANDED 1:58 AM ET, ~5 MIN LATE · SCHEDULED TIME UNKNOWN
Today

WN 1931 · MDW → IND

took off 12:29 AM CT · landed 1:58 AM ET (scheduled time unknown)
Forecast issued Mon 2:00 AM ET · 0h before departure

Odds over time

Arrive at IND more than 15 minutes late?
11% chance · ±1 pts – · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
LIVE IN THE AIR 0% 10% 20% 30% 40% 1h Departs Now