Originally Posted by
redwall850
FF programs should be changed to $ spent rewards. Flyers buying $1,500 first or full Y tickets should get more rewards than a Mileage Runner that spends $150.
That would be the most logical.
Short
But they already do. For example, LH M&M or BD DC gives 300% mileage for F or 200% for C. Also, UA Global Service is revenue based. And soon SQ PPS will be one too.