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.

UNITED · FLIGHT UA 33 SCHEDULED · SCHEDULED TIME UNKNOWN
Tomorrow

UA 33 · NRT → LAX

departs 1:31 AM JST · arrives 6:35 PM PT
Your aircraft is N27964 (B789), coming in as UA 32 from LAX: landed 3:06 PM JST.
Forecast issued Tue 2:00 AM ET · 10h before departure

Odds over time

Arrive at LAX more than 15 minutes late?
19% chance · ±0 pts +1 pt · 24h
HOW SURE WE ARE Good. The odds now lean mostly on firmed-up weather forecasts.
MOSTLY HISTORY WEATHER FORECASTS LIVE IN THE AIR 0% 10% 20% 30% 40% 5.5d 2d 1d Now 6h Departs Lands