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 2723 LANDED 2:43 AM MT, ~8 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

WN 2723 · LAS → DEN

took off 12:22 AM PT · landed 2:43 AM MT (scheduled time unknown)
Forecast issued Sat 10:00 PM ET · 19h after departure

Odds over time

Arrive at DEN more than 15 minutes late?
24% chance · ±0 pts +12 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
LIVE IN THE AIR 0% 10% 20% 30% 40% 1h Departs Lands