Another article states that it did fly over Japan and they had to shut down trains for a while

https://www.thetimes.co.uk/article/japan-warns-citizens-to-take-cover-after-north-korea-fires-missile-over-country-cmpw7gv0v?utm_medium=Social&utm_source=Twitter#Echobox=1664865628

My friend who lives in Japan had some issues with traveling.