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.

AMERICAN · FLIGHT AA 1689 LANDED 8:26 PM AT, ~8 MIN LATE · SCHEDULED TIME UNKNOWN

AA 1689 · MIA → SJU

took off 6:18 PM ET · landed 8:26 PM AT (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 4h after departure

Odds over time

Arrive at SJU more than 15 minutes late?
46% chance · ±0 pts −13 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 25% 50% 75% 100% 1.1d 1d 12h 6h Departs Lands