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.

AMERICAN · FLIGHT AA 2660 LANDED 5:13 PM CT, ~9 MIN EARLY · SCHEDULED TIME UNKNOWN

AA 2660 · PHX → STL

took off 12:53 PM MT · landed 5:13 PM CT (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 6h after departure

Odds over time

Arrive at STL more than 15 minutes late?
37% chance · ±0 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% 3.1d 2d 1d 12h 6h Departs Lands