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 3030 SCHEDULED · SCHEDULED TIME UNKNOWN
Today

SY 3030 · BNA → BWI

departs 6:58 PM CT · arrives 9:20 PM ET
Your aircraft is N7949A (B738), coming in as SY 3017 from LAS: landed 6:48 AM CT.
Forecast issued Mon 4:00 PM ET · 4h before departure

Odds over time

Arrive at BWI more than 15 minutes late?
39% 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% 15% 30% 45% 60% Now Departs Lands