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.

ENVOY · FLIGHT MQ 3984 LANDED 9:01 AM PT, ~2 MIN EARLY · SCHEDULED TIME UNKNOWN

MQ 3984 · PHX → SBA

took off 7:46 AM MT · landed 9:01 AM PT (scheduled time unknown)
Forecast issued Wed 10:00 PM ET · 11h after departure

Odds over time

Arrive at SBA more than 15 minutes late?
14% chance · ±0 pts −1 pt · 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