This collaborative report described the make-up of each airlines’ fleet based on the quantity and age of the aircraft and compared them to one another. The fleet composition of American Airlines and United Airlines that were analyzed dates back from 2006 until the most recent published year. It included how many planes each airline had in a particular year and what type of aircraft were operating at the time. In addition, the age of the airlines’ fleets was also assessed based on when they were manufactured. An analysis of whether the airlines’ fleet increased or decreased throughout the years and how they have expanded over the past decade was included. Both American’s and United’s fleet composition were directly compared to each other to