JMB Diamond is awarded to JMB members who meet either of the following criteria on JAL Group and oneworld alliance flights flown during the preceding calendar year from January to December:
JMB FLY ON members will also receive special services with oneworld alliance airlines.
JMB Diamond members will be able to enjoy oneworld Emerald services.
Services that are available to members around one week after status qualification
Services that are available to members once your FLY ON status card arrives or your membership status is reflected in the JAL app until March 31 of the second year following status qualification
Services that are available from April 1 of the year following status qualification
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JMB Diamond members will receive bonus miles for every JAL Group, American Airlines, British Airways, Iberia and Malaysia Airlines (On / after July 1, 2023 (departure date) / Japan-Malaysia route) flight traveled during the JMB Diamond eligibility period. To qualify, flights must be flown with fares eligible for JMB mileage accrual.
Accumulation rate based on FLY ON membership level
As a general rule, JMB mileage is valid until the end of the 36th month after the flight (transaction) date. For JMB Diamond members, this mileage expiration will be suspended throughout the JMB Diamond membership eligibility period - meaning that your miles will not expire during this period.
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