Originally Posted by
Dr. Venkman
Can I enroll the same credit card in the MP Dining Program and the dining program from AAnother AAirline without causing any problems? In other words, will I get miles on both airlines if I eat at a restaurant eligible for both MP and AAdvantage dining programs.
Not for both UA and US, and I expect not for any two airlines. It costs the restaurant something for the miles you get, and they aren't going to shell out to give you twice as much.