Can I change my Air China ticket if my flight is missed?

1. You can change your ticket, but you can only change it to an Air China flight. 2. If there is the same discounted class, your ticket does not need to be charged a rescheduling fee. If there is not the same discounted class, you only need to Just make up the difference in discount and you can reschedule. Methods for rescheduling: 1. You can contact the place where you bought the ticket and ask them to handle it directly for you. 2. You can also go directly to the Air China ticket office, or call Air China first. Customer service hotline, reserved seat 3. The ticket you bought is valid for one year, which means that starting from the day you buy the ticket, your ticket can be used until the same day in the second year