Survey ranks Disney Cruise Line highest in customer satisfaction , Carnival the lowest . `` It is important for cruise line companies to understand their strengths and weaknesses in the service they provide to their passengers , '' says Ramez Faza , senior account manager of the global travel and hospitality practice at J.D Power . Comment: But overall customer satisfaction with cruise lines remains high , report says .
Survey ranks Disney Cruise Line highest in customer satisfaction , Carnival the lowest . Comment: But overall customer satisfaction with cruise lines remains high , report says .