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 3629 LANDED 4:00 PM CT, ~4 MIN LATE · SCHEDULED TIME UNKNOWN
Today

WN 3629 · PHX → MSY

took off 11:31 AM MT · landed 4:00 PM CT (scheduled time unknown)
Forecast issued Wed 10:00 PM ET · 8h after departure

Odds over time

Arrive at MSY more than 15 minutes late?
28% 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% 10% 20% 30% 40% 1.0d 12h 6h Departs Lands