>If you just 'attach a unique identifier to your account' you aren't going to get much out of a frequent flyer programme. If you're on a consistent route (ex:

>If you just 'attach a unique identifier to your account' you aren't going to get much out of a frequent flyer programme. If you're on a consistent route (ex: SF to NYC or London) picking an airline and sticking with it when you fly in every week/month will absolutely rack up points.