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.

SUN COUNTRY · FLIGHT SY 6015 SCHEDULED · SCHEDULED TIME UNKNOWN
Today

SY 6015 · STL → AFW

departs 5:10 PM CT · arrives 6:28 PM CT
Your aircraft is N7901A (B738), coming in as SY 3007 from SBD: landed 4:23 AM CT.
Forecast issued Sat 4:00 PM ET · 2h before departure

Odds over time

Arrive at AFW more than 15 minutes late?
57% chance · ±0 pts – · 24h
HOW SURE WE ARE High. The odds now come mostly from live FAA and airport data.
LIVE IN THE AIR 0% 20% 40% 60% 80% 4h Now Departs Lands