There may be some delays and cancellation of Shinkansen when unforeseen accidents or natural disaster occur in Japan.
However, tourists from outside Japan who don't speak Japanese often get left behind, since many of the announcements are often made in Japanese only.
Here, we have gathered information provided by Japan Railway, which will help you find the latest status of Shinkansen and other limited express trains.
Latest train Operation status can be searched from these links:
List of train numbers will be shown in these links when there's any cancellation or delay. No special message will be shown when everything is on schedule.
JR Central (Tokaido Shinkansen: Tokyo - Kyoto - Shin-Osaka)
https://traininfo.jr-central.co.jp/shinkansen/pc/en/index.html
JR West (Sanyo Shinkansen: Shin-Osaka - Okayama - Hiroshima - Hakata)
http://global.trafficinfo.westjr.co.jp/en/sanyo
https://www.westjr.co.jp/global/en/
JR East
(Tohoku Shinkansen: Tokyo - Sendai - Akita - Shin-Aomori - Shin-Hakodate Hokuto)
(Hokuriku Shinkansen: Tokyo - Karuizawa - Nagano - Toyama - Kanazawa)
http://traininfo.jreast.co.jp/train_info/e/service.aspx
Telephone-based Service is also available:
JR Central
+81-50-3772-3910 (or 050-3772-3910 from Japan)
Please press "3" while the guidance (in Japanese) is in operation. The operator will answer in Japanese, but an English speaking operator is standing by, so please talk to the operator in English and ask for the English translation.
JR East
+81-50-2016-1603 (English, Chinese and Korean) (or 050-2016-1603 from Japan)
http://www.jreast.co.jp/e/customer_support/infoline.html