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 1919 LANDED 4:52 PM PT, ~5 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

WN 1919 · SJC → SAN

took off 3:49 PM PT · landed 4:52 PM PT (scheduled time unknown)
Forecast issued Sat 10:00 PM ET · 3h after departure

Odds over time

Arrive at SAN more than 15 minutes late?
39% chance · ±0 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% 15h 12h 6h Departs Lands