Currently Cathay Pacific Asia Miles expire 36 months after they were earned and there is no way to extend them. Cathay Pacific has announced that starting January 1st, 2020 miles won’t expire as long as you have some qualifying activity every 18 months. Basically any activity that earns or uses your miles counts as a qualifying activity. Unfortunately this change is not retroactive so any miles earned before December 31st, 2019 will still be subject to the 36 month rule. United recently announced changes to its mileage expiration policy as well.
Overall I see this as a net improvement for most customers, although some will undoubtedly be worse off under this change (e.g if you don’t have any activity miles now expire every 18 months instead of 36). It’s also frustrating that this change will not be applied retroactively.
