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 1226 LANDED 5:43 PM CT, ~9 MIN LATE · SCHEDULED TIME UNKNOWN

WN 1226 · DAL → TUL

took off 4:58 PM CT · landed 5:43 PM CT (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 4h after departure

Odds over time

Arrive at TUL more than 15 minutes late?
28% chance · ±0 pts +0 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 15% 30% 45% 60% 1.1d 12h 6h Departs Lands