Originally Posted by
clusterDuck
Thanks. I need to be able to go to Europe on a regular basis. I have some old miles on American, so I am wondering if it is better for me to ditch delta and go back to using American to get more frequent upgrades from low fare classes. In which case, I should probably look into getting a new American based credit card.
On a regular basis....
Try booking a discounted J (S,I,D fare) and forget about the upgrade. Unless you have enough miles to continue to upgrade, you probably only have enough for a couple of trips. Weigh this against the cost on American.