In the simplest version, just know that the basic earning in a revenue-based frequent flyer program has required 20 cents a mile to break even with a mileage-based earning system. And passengers aren’t paying the airlines an average of 20 cents a mile to fly.
Of course, when airlines have switched to revenue-based mileage earning it’s been worse than this — fewer miles award on average, but they’ve also taken the opportunity to diminish the value of the miles you do earn. And that puts the lie to the idea that they’re “rewarding high value customers.” They’re not, they’re only devaluing high value customers less.
But let’s look at the actual numbers for American’s expected plan for a year from now…