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 1435 LANDED 12:43 PM PT, ~7 MIN LATE · SCHEDULED TIME UNKNOWN

WN 1435 · SFO → SAN

took off 11:33 AM PT · landed 12:43 PM PT (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 8h after departure

Odds over time

Arrive at SAN more than 15 minutes late?
35% 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% 15% 30% 45% 60% 11h 6h Departs Lands