NH521 OsakaITM · 07:05 KumamotoKMJ · 08:20
NH521 by All Nippon Airways flies from Osaka (ITM) to Kumamoto (KMJ) for the Thu, Sep 24 departure.
departs ITM · on schedule
board checked 61m ago · checking again in 45s
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 operation0 cancelled · 15 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Early read, sample still buildingConditions at ITM and KMJ 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 Osaka to Kumamoto flights today
same route · All Nippon AirwaysIf NH521 is cancelled, these are the other All Nippon Airways nonstop flights from Osaka to Kumamoto on the same day, with scheduled departure times in ITM local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How NH521 actually runs
Pro Flight Search has tracked every published board update for NH521 across the ITM and KMJ boards: schedule changes, gate pushes and actual clocks. Usually departs on time. Based on 13 confirmed departures · 12/13 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how NH521 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationBoard clocks recorded as ITM and KMJ published them.
Planning around NH521? 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 — NH521 Osaka to Kumamoto on-time performance, measured from the ITM and KMJ airport boards.
https://proflightsearch.com/flight/NH521
.