Yes, if your Avanti West Coast train is cancelled in 2026, "ticket acceptance" usually allows you to board the immediately preceding or following Avanti service to your destination without purchasing a new ticket. You do not need to rebook; simply show your original ticket to the train manager. However, seat reservations on the new train are not guaranteed, so you may have to stand or find an unreserved seat. If the cancellation is part of a major disruption, Avanti often arranges for tickets to be accepted by other operators, such as West Midlands Railway or LNER, though you should check the official app or station screens first. If your journey is delayed by 15 minutes or more due to the cancellation, you are eligible for "Delay Repay" compensation, which can refund up to 100% of your fare depending on the length of the final delay to your destination.