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 1583 LANDED 1:42 PM PT, ~4 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

WN 1583 · DEN → OAK

took off 12:39 PM MT · landed 1:42 PM PT (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 7h after departure

Odds over time

Arrive at OAK more than 15 minutes late?
28% 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