Please find various websites recently shared with us by the Ministry of Health, Labour, and Welfare of Japan, for your kind information and reference:
“Fast Track” could shorten your quarantine process at the airport! Pre-register requirements via app at least 6 hours prior to your flight’s scheduled arrival time.
■Q&A (latest as of April 21th ver. No updates since then)
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Open 9am-9pm everyday
■Report of Haneda airport quarantine「How long does it take for airport quarantine?」
(From UK Embassy)「I was at Haneda airport to receive visitors from the UK. The airport was much busier and the process was smoother – my visitors came out just over 90 min. from the arrival of the plane. They said everything was organised really well and test results came out sooner compared to the last time they were here a few months ago.」
(From our colleague) 「Arrival at 7 am→Waiting for an hour inside the airplane→Taking a test→Test result at 9:30→Entering Japan at 10 am 」