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.

ENDEAVOR · FLIGHT 9E 4922 LANDED 11:16 AM CT, ~9 MIN LATE · SCHEDULED TIME UNKNOWN

9E 4922 · LGA → STL

took off 10:14 AM ET · landed 11:16 AM CT (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 12h after departure

Odds over time

Arrive at STL more than 15 minutes late?
22% chance · ±0 pts +3 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% 7h 6h Departs Lands