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 5317 LANDED 9:11 AM ET, ~12 MIN LATE · SCHEDULED TIME UNKNOWN
Today

9E 5317 · TYS → ATL

took off 8:16 AM ET · landed 9:11 AM ET (scheduled time unknown)
Forecast issued Wed 6:00 PM ET · 10h after departure

Odds over time

Arrive at ATL more than 15 minutes late?
30% chance · ±2 pts +20 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 10% 20% 30% 40% 1.1d 12h 6h Departs Lands