Originally Posted by steveholt

As for "relying on a credit card company to survive," every major airline in the Americas has had to rely on some source of funding and/or bankruptcy post-9/11. I'm not sure why DL relying on AMEX in those moments by selling them billions of miles in advance and then continuing to make money from a successful relationship while further entrenching customer behavior is a bad thing, but you may want to do more research into this topic.