I'm still new to this so bare with me. I am taking an international flight to China with the following itinerary: PHX->LAX->PEK->CKG. (e coach, r business, f first respectively). First flight is with Delta, the last two are with Air China. When I enter the trip locator in on Delta's website, it pulls up the full itinerary. My question is, will I be able to credit this to MP? Does the entire trip count as a "Delta" flight? I know that both Delta & United are partners with Air China. My nightmare is that I try to credit this is to MP and then they deny me M/D/S.