The boarding process has a very important role in the objective of increase the efficiency, profitability, and customer satisfaction of an airline industry. It is one of the significant elements of the turnaround time, a slow boarding process might lead to financial issues to the company and, of course, customer complaints. In this paper are analyzed three boarding strategies presenting a model and an easy to use tool that implements it. The study suggest that differences exists among them, and proposes the most efficient strategy.