What are Boarding Groups on American Airlines? Group boarding is a process that helps passengers board flights on American Airlines. Through this, one can board a flight according to their travel class, status, and other factors. Moreover, American Airlines Boarding Groups are assigned to 9 groups and 4 special groups, such as priority boarding, first boarding, business, and family boarding. For further information about boarding groups on American Airlines, visit their official website or click the link mentioned by Airlines Group Travel. #americanairlinesboardinggroups