Yes you can change your reserved tickets at any time. Just go to the ticket window at any JR station and tell the staff you wish to make a change.
People Also Ask
If your train is cancelled, you can use your existing ticket to travel on the next available service... Advance Singles – hop on the next available train with the same train operator.
What should I do if I book a seat on a Shinkansen and miss it? Can I just get on the next train and go to the unreserved area? You can ride on unreserved car of later Shinkansen trains on the same day. If you have a JR Pass - you can get on the next available Shinkansen **that the pass is valid for.
The official rule is that you can still travel but have to use a non-reserved seat. Though JR Staff generally will issue new reservations for you if a train is not crowded. There is no penalty for missed trains or for re-booking a ticket.
Do Shinkansen tickets sell out? Yes, especially for weekend travel and during peak seasons, Shinkansen services can be fully booked. In this case, it may be possible to ride with a non-reserved seat ticket, if you are willing to stand for the entire journey!
To request a flight change, call or email the airline or travel agency. Make a note of your reservation number and travel dates. Explain to the customer support operator why you need to change your ticket and inquire about alternative flights that will better fit your needs.
If you miss your connecting trainThis means you'll usually be permitted to travel on the next available train free of charge if your first train is delayed. They do not entitle you to a full refund of your order. You may need to show your tickets on later services as evidence of the delay.