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 1287 LANDED 4:02 PM CT, ~9 MIN LATE · SCHEDULED TIME UNKNOWN
Today

WN 1287 · PHX → MCI

took off 12:02 PM MT · landed 4:02 PM CT (scheduled time unknown)
Forecast issued Tue 5:00 PM ET · 2h after departure

Odds over time

Arrive at MCI more than 15 minutes late?
33% chance · ±1 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% 11h 6h Departs Lands