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 2798 LANDED 11:42 AM ET, ~7 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

WN 2798 · MDW → PIT

took off 9:46 AM CT · landed 11:42 AM ET (scheduled time unknown)
Forecast issued Wed 10:00 PM ET · 11h after departure

Odds over time

Arrive at PIT more than 15 minutes late?
36% chance · ±0 pts +18 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 15% 30% 45% 60% 2.2d 1d 12h 6h Departs Lands