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 223 IN THE AIR (OFF 5:24 PM ET, ETA 7:01 PM MT) · SCHEDULED TIME UNKNOWN
Today

WN 223 · LGA → DEN

took off 5:24 PM ET · expected to land 7:01 PM MT (scheduled time unknown)
Forecast issued Tue 5:00 PM ET · 0h before departure

Odds over time

Arrive at DEN more than 15 minutes late?
44% chance · ±2 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% 13h 6h Now Departs Lands