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 3982 LANDED 8:07 PM PT, ~8 MIN LATE · SCHEDULED TIME UNKNOWN

WN 3982 · SMF → SNA

took off 7:00 PM PT · landed 8:07 PM PT (scheduled time unknown)
Forecast issued Fri 10:00 PM ET · 0h before departure

Odds over time

Arrive at SNA more than 15 minutes late?
24% chance · ±1 pts – · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
LIVE IN THE AIR 0% 10% 20% 30% 40% 1h Departs Lands