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 1454 LANDED 4:17 PM CT, ~5 MIN LATE · SCHEDULED TIME UNKNOWN

WN 1454 · SAT → HOU

took off 3:44 PM CT · landed 4:17 PM CT (scheduled time unknown)
Forecast issued Sat 10:00 PM ET · 5h after departure

Odds over time

Arrive at HOU more than 15 minutes late?
44% chance · ±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% 20% 40% 60% 80% 13h 6h Departs