Via this FlyerTalk thread, it looks like there’s a way to see what customer segmentation/targeting information Delta has about you based on your SkyMiles account.
Simply log into your Delta SkyMiles account and then paste the following URL into the same browser:
From there you can copy the text into a Word document to make it easier to read if you’d like.
While I’m not sure what each of the data fields means, there’s quite a bit of speculation in the FlyerTalk thread.
This seems to suggest that Delta estimates your income, home value, etc., based on your SkyMiles account. While I think we all assume airlines do quite a bit of behavioral targeting, I didn’t realize they had this much data on customers.