It also usually takes two or three days for a bag sent from a hotel to reach the airport in particular compared to overnight for other such location pairs in th

It also usually takes two or three days for a bag sent from a hotel to reach the airport in particular compared to overnight for other such location pairs in the same urban area. On some Shinkansen trains there are extra luggage seats available that have more storage space for luggage that can be prebooked - I've used these before from and to the airport, with luggage delivery between hotels.