JL634 KumamotoKMJ · 17:10 TokyoHND · 19:00
JL634 by Japan Airlines flies from Kumamoto (KMJ) to Tokyo (HND) for the Mon, Aug 17 departure.
estimated arrival at HND · local time
board checked 10m ago · checking again in 45s
Board estimate · gate and arrival times.
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 +6 min · 0 cancelled · 15 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Early read, sample still buildingConditions at KMJ 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. This route's tracked sample is still thin — treat these as an early read, not a precise forecast.
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.
Other Kumamoto to Tokyo flights today
same route · Japan AirlinesIf JL634 is cancelled, these are the other Japan Airlines nonstop flights from Kumamoto to Tokyo on the same day, with scheduled departure times in KMJ local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How JL634 actually runs
Pro Flight Search has tracked every published board update for JL634 across the KMJ and HND boards: schedule changes, gate pushes and actual clocks. Usually lands ~6 min late. Based on 13 confirmed landings · 10/13 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how JL634 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: JA611J, JA659J, JA610J, JA655J.
Board clocks recorded as KMJ and HND published them.
Planning around JL634? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — JL634 Kumamoto to Tokyo on-time performance, measured from the KMJ and HND airport boards.
https://proflightsearch.com/flight/JL634
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