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 2154 LANDED 3:28 PM PT, ~13 MIN LATE · SCHEDULED TIME UNKNOWN
Today

WN 2154 · PHX → SNA

took off 2:35 PM MT · landed 3:28 PM PT (scheduled time unknown)
Forecast issued Tue 8:00 PM ET · 2h after departure

Odds over time

Arrive at SNA more than 15 minutes late?
41% chance · ±0 pts +2 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 20% 40% 60% 80% 1.1d 12h 6h Departs Lands