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 4894 LANDED 9:39 PM ET, ~4 MIN LATE · SCHEDULED TIME UNKNOWN

9E 4894 · DTW → CHA

took off 8:32 PM ET · landed 9:39 PM ET (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 2h after departure

Odds over time

Arrive at CHA more than 15 minutes late?
11% chance · ±1 pts +1 pt · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 5% 10% 15% 20% 1.0d 12h 6h Departs Lands