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 4018 SCHEDULED · SCHEDULED TIME UNKNOWN
Today

SY 4018 · AUS → SBD

departs 6:10 PM CT · arrives 6:56 PM PT
Your aircraft is N7933A (B738), coming in as SY 3040 from SBD: landed 1:10 AM CT.
Forecast issued Sat 6:00 PM ET · 1h before departure

Odds over time

Arrive at SBD more than 15 minutes late?
73% 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% 25% 50% 75% 100% 2h Now Departs Lands