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 1951 LANDED 3:02 PM PT, ~7 MIN LATE · SCHEDULED TIME UNKNOWN

AA 1951 · PHX → SAN

took off 2:12 PM MT · landed 3:02 PM PT (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 5h after departure

Odds over time

Arrive at SAN more than 15 minutes late?
58% chance · ±0 pts +12 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 20% 40% 60% 80% 1.1d 12h 6h Departs Lands