The biggest airlines in the world are those that carry the most passengers and operate the most flights. The top three airlines by passenger traffic are American Airlines, Delta Air Lines, and United Airlines. These three airlines, along with Southwest Airlines and JetBlue Airways, make up the “big five” of the U.S. airline industry.
American Airlines is the largest airline in the world by passenger traffic, with more than 200 million passengers carried in 2019. It operates flights to over 350 destinations in more than 50 countries. American Airlines has a fleet of over 1000 aircraft and is a founding member of the one world airline alliance.
Delta Air Lines is the second-largest airline in the world by passenger traffic, with more than 160 million passengers carried in 2019. It operates flights to over 300 destinations in more than 50 countries. Delta Air Lines has a fleet of over 800 aircraft and is a founding member of the Sky Team airline alliance.
United Airlines is the third-largest airline in the world by passenger traffic, with more than 150 million passengers carried in 2019. It operates flights to over 350 destinations in more than 60 countries. United Airlines has a fleet of over 700 aircraft and is a founding member of the Star Alliance airline alliance.
Southwest Airlines is the fourth-largest airline in the world by passenger traffic, with more than 140 million passengers carried in 2019. It operates flights to over 100 destinations in more than 40 states of US. Southwest Airlines has a fleet of over 700 aircraft, is known for its low-cost operations and is one of the most successful airlines in the US.
JetBlue Airways is the fifth-largest airline in the world by passenger traffic, with more than 40 million passengers carried in 2019. It operates flights to over 100 destinations in the United States, Caribbean, and Latin America. JetBlue Airways has a fleet of over 250 aircraft and is known for its comfortable seating and in-flight entertainment options.
