What is the expiration policy for WorldPerks miles?

Northwest Airlines WorldPerks miles have a specific expiration policy that is important for members to understand. Generally, WorldPerks miles expire after 24 months of inactivity in the account. This means that if a member does not earn or redeem any miles within that timeframe, their accumulated miles will be forfeited. It is advisable for members to engage in activities such as flying with Northwest Airlines, using miles for travel, or other partnerships that can earn additional miles to keep their accounts active. Additionally, members should be aware that there may be other specific rules or updates regarding the expiration of miles due to changes in the program. For the most accurate and current information regarding the expiration policy, members are encouraged to check the official website, where updates and detailed policies are provided.