Validity of Mileage is 36 months.

Validity of mileage is the last day of the 36th month following the month of the flight (transaction) date.* You can easily check the validity of mileage online. Please enjoy a full 36 months to redeem mileage.

For example: Any mileage earned on JAL Group flight in August 1, will remain valid until August 31, 3 years later.