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 563 IN THE AIR (OFF 3:11 PM PT, ETA 11:11 PM CST) · SCHEDULED TIME UNKNOWN
Today

TA 563 · SFO → SAL

took off 3:11 PM PT · expected to land 11:11 PM CST (scheduled time unknown)
Forecast issued Sat 7:00 PM ET · 1h after departure

Odds over time

Arrive at SAL more than 15 minutes late?
16% chance · ±0 pts – · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
LIVE IN THE AIR 0% 20% 40% 60% 80% 4h Departs Lands