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.

SKYWEST · FLIGHT OO 3739 LANDED 2:39 PM ET, ~5 MIN LATE · SCHEDULED TIME UNKNOWN

OO 3739 · XNA → ATL

took off 12:16 PM CT · landed 2:39 PM ET (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 9h after departure

Odds over time

Arrive at ATL more than 15 minutes late?
13% chance · ±0 pts +3 pts · 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% 10h 6h Departs Lands