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.

SOUTHWEST · FLIGHT WN 1319 CANCELLED · SCHEDULED TIME UNKNOWN
Today

WN 1319 · DCA → LAS

departs 3:11 AM ET · arrives 4:44 AM PT
Forecast issued Sat 12:00 AM ET · 3h before departure

Odds over time

Arrive at LAS more than 15 minutes late?
44% 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% 7h 6h Now Departs Lands