Originally Posted by
Majuki
I've had this experience with US carriers at US airports, but I've found many international airports/airlines don't allow passengers to check in suitcases until ~4 hours before their flight even if the ticketing counters are open.
But we are talking about ANA at Tokyo? https://www.ana.co.jp/wws/hk/e/asw_common/prepare/checkin/counter/open.html