Talk about an odd flight, LATAM seems to operate a Fifth Freedom flight between Miami and Punta Cana with service on their Boeing 787s. These are an improvement over American which services the route with narrow-bodied planes. Now do you really need a lie-flat for a 2 hour flight, not really... But sure adds a special start to a vacation.
MIA-PUJ would earn 2733 MQMs 547 MQDs 1.00 MQD Ratio while Delta Diamond members would obtain 4919 RDMs, Platinum 4191 RDMs, Gold 3826 RDMs, Silver 3462 RDMs, Base 2733 RDMs