Originally Posted by tennisguru

I assume you’re not at Delta? Every month a regular line holder has to earn a certain amount of credit before a green slip (premium trip) will pay double. If you are below the trigger a GS will simply pay single pay towards the trigger. You need to pick up trips via white slip (straight pay) or silver slip (double pay with no trigger) in order to get to the trigger to make any green slip flying you do pay double.