Originally Posted by
serpens
I went to cancel an award flight that's about 90 days out and was given the option to Cancel and rebook later, with the statement "The mileage value will remain valid for one year after the original ticket date." What does that mean? I am almost sure not to book an award flight that would use all the miles of the flight I will cancel within a year of the original booking date. It sounds to me like I should "Cancel trip now and redeposit miles" so the miles don't expire.
There's no advantage to delaying the redeposit when there's no fee being charged.
You wouldn't need to use
all of the miles within one year -- any excess miles would be refunded automatically at that point anyway -- but it's easier just to redeposit them now so you don't have to keep track of the unused ticket.