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 2135 LANDED 4:21 PM CT, ~14 MIN LATE · SCHEDULED TIME UNKNOWN
Yesterday

F9 2135 · MIA → DFW

took off 2:38 PM ET · landed 4:21 PM CT (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 7h after departure

Odds over time

Arrive at DFW more than 15 minutes late?
41% chance · ±0 pts +25 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% 3.2d 2d 1d 12h 6h Departs Lands