If the AZ marketed flights are ticketed on Delta ticket stock (protection) are we certain that the ticket still earns at the AZ rate?
At the bottom of the DL booking page it states:
Terms and Conditions
SkyMiles Earning
1 Miles Earned Footnote
Delta-marketed or - ticketed flights earn miles based on ticket price (base fare plus any carrier-imposed surcharges), up to 75,000 miles per ticket. ↵