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.

FRONTIER · FLIGHT F9 1483 LANDED 8:10 AM MT, ~28 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

F9 1483 · ORD → DEN

took off 6:52 AM CT · landed 8:10 AM MT (scheduled time unknown)
Forecast issued Sat 10:00 PM ET · 14h after departure

Odds over time

Arrive at DEN more than 15 minutes late?
31% chance · ±0 pts +3 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
MOSTLY HISTORY WEATHER FORECASTS LIVE IN THE AIR 0% 15% 30% 45% 60% 4.4d 2d 1d 12h 6h Departs Lands