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 2623 LANDED 8:48 PM PT, ~6 MIN LATE · SCHEDULED TIME UNKNOWN
Today

WN 2623 · SEA → SAN

took off 6:36 PM PT · landed 8:48 PM PT (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 0h before departure

Odds over time

Arrive at SAN more than 15 minutes late?
65% chance · ±1 pts +9 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% 1.0d 12h 6h Departs Lands