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 2908 LANDED 6:15 PM CT, ~5 MIN LATE · SCHEDULED TIME UNKNOWN
Today

WN 2908 · MSP → STL

took off 5:12 PM CT · landed 6:15 PM CT (scheduled time unknown)
Forecast issued Tue 7:00 PM ET · 1h after departure

Odds over time

Arrive at STL more than 15 minutes late?
46% chance · ±1 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% 20% 40% 60% 80% 1.1d 12h 6h Departs Lands