UA39 Los AngelesLAX · 11:25 TokyoHND · 15:05
UA39 by United Airlines flies from Los Angeles (LAX) to Tokyo (HND) for the Sat, Sep 19 departure.
arrived at HND · 11 min late
⚖ UA39 typically leaves +21 and lands −7. The air wins minutes back.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 −7 min · 0 cancelled · 15 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. For this route and airline, 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 →
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 ~7 min early. Based on 14 confirmed landings · 14/14 within 15 min of schedule. Pushes back late but makes up time in the air.
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: N12012, N17017, N12010, N14019.
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
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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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