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 1175 LANDED 2:46 PM PT, ~12 MIN LATE · SCHEDULED TIME UNKNOWN

F9 1175 · DEN → SEA

took off 1:22 PM MT · landed 2:46 PM PT (scheduled time unknown)
Forecast issued Tue 10:00 PM ET · 7h after departure

Odds over time

Arrive at SEA more than 15 minutes late?
49% chance · ±0 pts +21 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% 2.9d 2d 1d 12h 6h Departs Lands