Long queues while boarding can make the airport experience frustrating and time-consuming for travelers, to get rid of this United Airlines has its own boarding rules and regulations, with the United Priority Boarding option, passengers can board earlier than the rest, this saves time and reduced hassle however, extra charges of $15 can be charged, and that is worth every penny. To avail more details on how to avail of this service, visit United Airlines Official Website or read the detailed blog on this topic at the cited link.