When measuring the fleet size there are multiple things that need to be considered. Some factors that are taken into consideration are the number of passengers carried, fleet size, asset value, profit generated, and so on. But the actual fleet size is measured only in the number of planes or aircraft housed by the airline.
American Airlines has a fleet of 913 aircraft which makes it the biggest fleet in the world. This number doesn’t include all the aircraft in the fleet of their regional airlines/subsidiaries.
American Airlines has the biggest fleet in the world
American Airlines operates a narrowbody fleet of Boeing and Airbus aircraft and a widebody fleet of solely Boeing aircraft. Narrowbodies make the most of the fleet (a total of 800 aircraft). Out of those 800, 455 are Airbus aircraft and 345 are Boeing aircraft.

The most popular aircraft in the biggest fleet in the world is the Boeing 737-800. As we already mentioned there are 345 Boeing aircraft in this fleet and out of those 345 there are 303 that are -800 variants and 42 which are newer and more efficient – 737 MAX 8.
The A321T is the pride of the company
American Airlines’ most unique aircraft is the A321T. This Airbus is a premium cabin-heavy configuration. It has 10 first-class seats, 20 business class seats, 36 main cabin extra seats, and 36 standard main cabin seats, which makes a total of 102 seats only compared to A321-200 which can accommodate 200 passengers. With just 10 seats in a 1-1 configuration, the first-class cabin found on the A321T feels very private. Each seat has access to the aisle and is fully lie-flat. This aircraft is one of the most comfortable premium products in the sky.
American Airlines’ A321T features 20 business class seats in a 2-2 configuration. These seats are fully lie-flat and offer added space compared to traditional narrowbody business class seating. Passengers traveling in the first and business-class cabins also have access to premium facilities on the ground.

And last, but not least, here’s the information about the American Airlines widebody fleet. The widebody fleet is divided between the newer Boeing 787 Dreamliner and the larger 777. American Airlines has 67 Boeing 777 aircraft, 47 of the -200 variant and 20 of the -300ER variant. The remaining 46 aircraft are divided between 24 787-8 and 22 787-9 aircraft.
But that is not the only category in which they are the first in the world. American Airlines is undoubtedly a world giant, so it is not surprising that it is the world’s largest airline in 5 different categories. Besides fleet size, they are number one in revenue, number of locations served, scheduled passenger-kilometers flown, and scheduled passengers
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