UA39 Los AngelesLAX · 12:30 TokyoHND · 16:30
UA39 by United Airlines flies from Los Angeles (LAX) to Tokyo (HND) for the Thu, Oct 29 departure.
estimated arrival at HND · local time · ~7h 25m from now
board checked 17m ago · checking again in 45s
Board estimate · gate and arrival times. Off blocks 12:52 · typical taxi-out at LAX ≈ 4.6 min. No receiver coverage over open ocean.
Where the minutes go
last 7 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The last 30 days
arrival outcome per operationmedian arrival +2 min · 0 cancelled · 13 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at LAX and HND are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. These figures come from both airports' records under conditions like today's, over the last 90 days.
Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →
Tomorrow on this route
ForecastLos Angeles to Tokyo with United Airlines · Fri 30 Oct, local date
- Chance a departure is cancelled
- 0.4%2.2× usual
- Chance a departure leaves 60+ min late
- 9.4%1.1× usual
Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 1 departures a day on this route with this airline. · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
How UA39 actually runs
Pro Flight Search has tracked every published board update for UA39 across the LAX and HND boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 12 confirmed landings · 7/12 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how UA39 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationAircraft
Recent tails: N12003, N13014, N14016, N12005.
Board clocks recorded as LAX and HND published them.
Planning around UA39? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search: UA39 Los Angeles to Tokyo on-time performance, measured from the LAX and HND airport boards.
https://proflightsearch.com/flight/UA39
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