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 2390 LANDED 11:57 PM MT, ~157 MIN EARLY · SCHEDULED TIME UNKNOWN
Today

WN 2390 · IND → PHX

took off 10:29 PM ET · landed 11:57 PM MT (scheduled time unknown)
Forecast issued Sat 3:00 PM ET · 14h after departure

Odds over time

Arrive at PHX more than 15 minutes late?
13% chance · ±0 pts −26 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
LIVE IN THE AIR 0% 15% 30% 45% 60% 5h Departs Lands