Originally Posted by
MSPeconomist
In making the comparison, you should also ask what profit margin DL earns when a FO spends $2500 on airfares that qualify for MQDs. I very much doubt that it's 10% (consistently) on fares that average ten cents per mile.
It's actually $3000 this year. I'm sure DL is probably fine with a Silver with $2000 in MQD and $25K in AMEX spend vs. a Silver with $3000 in MQD. However, I doubt a Diamond with only $5000 in MQD makes up the difference in margin with $25K AMEX spend vs. a Diamond with $15000 in MQD.