The ticket number must start with 724 (SWISS ticket no./plate).
The air ticket was not paid for by barter or voucher (there are exceptions to voucher payments; if the air ticket was paid for in full by voucher, then it may be possible to rebook online under certain circumstances. If it is not possible to rebook online because of the payment method, then you will be informed accordingly during the rebooking process).
There must be an active flight booking for your ticket. It is not possible to rebook open tickets or tickets without the corresponding flight segments online at the moment.
It is currently only possible to rebook outbound (one-way) tickets or return tickets with single flight routes (point-to-point) online.
