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 3593 LANDED 9:10 AM PT, ~9 MIN LATE · SCHEDULED TIME UNKNOWN
Today

WN 3593 · PHX → BUR

took off 8:07 AM MT · landed 9:10 AM PT (scheduled time unknown)
Forecast issued Sun 1:00 PM ET · 2h after departure

Odds over time

Arrive at BUR more than 15 minutes late?
13% chance · ±1 pts +3 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 5% 10% 15% 20% 1.0d 12h 6h Departs Lands Now