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 2045 LANDED 5:17 PM PT, ~5 MIN LATE · SCHEDULED TIME UNKNOWN
Today

WN 2045 · DEN → OAK

took off 4:14 PM MT · landed 5:17 PM PT (scheduled time unknown)
Forecast issued Tue 9:00 PM ET · 3h after departure

Odds over time

Arrive at OAK more than 15 minutes late?
35% chance · ±2 pts −4 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% 1.1d 12h 6h Departs Lands