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 451 LANDED 5:18 AM CT, ~8 MIN LATE · SCHEDULED TIME UNKNOWN

WN 451 · LAS → OMA

took off 1:16 AM PT · landed 5:18 AM CT (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 18h after departure

Odds over time

Arrive at OMA more than 15 minutes late?
31% chance · ±0 pts +2 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% 3h Departs Lands