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.

AIR PREMIA · FLIGHT YP 111 SCHEDULED · SCHEDULED TIME UNKNOWN
Tomorrow

YP 111 · ICN → SFO

departs 4:09 AM KST · arrives 8:20 PM PT
Your aircraft is HL8387 (B789), coming in as YP 102 from LAX: still at LAX, due off about 10:56 AM PT, 697 min before departure.
Forecast issued Sun 6:00 AM ET · 8h before departure

Odds over time

Arrive at SFO more than 15 minutes late?
20% chance · ±0 pts – · 24h
HOW SURE WE ARE Good. The odds now lean mostly on firmed-up weather forecasts.
WEATHER FORECASTS LIVE IN THE AIR 0% 10% 20% 30% 40% 15h 12h Now 6h Departs Lands