For years they’ve been taking away from the program, sometimes a little at a time and sometimes a lot. And they’ve been requiring more and more from customers to get less and less. Like the proverbial boiling lobster, SkyMiles elite members went along for the most part every step of the way. And that was very good to Delta, generating around $7 billion from American Express at around a 40% margin and accounting for the vast majority of the airline’s profit.
Delta wasn’t satisfied with that, and they got greedy.