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 4635 LANDED 6:52 PM PT, ~5 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

WN 4635 · LAS → SAN

took off 6:12 PM PT · landed 6:52 PM PT (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 1h after departure

Odds over time

Arrive at SAN more than 15 minutes late?
68% chance · ±1 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% 25% 50% 75% 100% 1.0d 12h 6h Departs Lands