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.

AVIANCA EL SALVADOR · FLIGHT TA 583 IN THE AIR (OFF 5:19 PM ET, ETA 7:15 PM CST) · SCHEDULED TIME UNKNOWN
Today

TA 583 · IAD → SAL

took off 5:19 PM ET · expected to land 7:15 PM CST (scheduled time unknown)
Forecast issued Tue 7:00 PM ET · 0h before departure

Odds over time

Arrive at SAL more than 15 minutes late?
12% chance · ±1 pts – · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
LIVE IN THE AIR 0% 5% 10% 15% 20% 4h Now Departs Lands