US airlines have the world's four largest fleets. Here's how the Boeing and Airbus planes operated by Delta, United, American ...

Southwest Airlines was a paradigm ... comes through when you compare the four on metrics like available seat miles (ASMs), passengers carried, and fleet size. Southwest has 800 aircraft in its ...

Also, the airline next month will add itself to Skyscanner, another tool for travelers to compare prices and book flights. Southwest joined ... is also modernizing its fleet of Boeing 737 jets ...

marking an initial step as the low-fare airline prepares for a slew of changes to its fleet and customer experience. Over the rest of the year, all aircraft in Southwest’s fleet will be ...

United and Southwest ... compare. United Airlines United Airlines is the only carrier with over 1,000 planes.Gary Hershorn/Getty Images With 1,023 planes, United Airlines has the largest fleet ...

marking an initial step as the low-fare airline prepares for a slew of changes to its fleet and customer experience. Over the rest of the year, all aircraft in Southwest’s fleet will be ...