Effective December 15, 2007, American Airlines frequent flyer miles will now expire after 18 months of inactivity, down from three years. Your account will get reset, at that point, If you haven’t nudged your account since Jun 15, 2006. Apparently, whatever one airline does, either up or down, others follow suit. United and US Airway also recently introduced 18 month frequent flyer lifespans. — BEN POPKEN

Downgrades: American Airlines miles will expire after 18 months on inactivity [Upgrade: Travel Better]

(Photo: ChrisI1024)

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