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.

UNITED · FLIGHT UA 1528 LANDED 11:53 PM CT, ~4 MIN LATE · SCHEDULED TIME UNKNOWN

UA 1528 · IAH → STL

took off 10:25 PM CT · landed 11:53 PM CT (scheduled time unknown)
Forecast issued Fri 10:00 PM ET · 1h before departure

Odds over time

Arrive at STL more than 15 minutes late?
37% chance · ±2 pts – · 24h
HOW SURE WE ARE High. The odds now come mostly from live FAA and airport data.
LIVE IN THE AIR 0% 25% 50% 75% 100% 2h Now Departs Lands