Third among three of the US "big three"," Delta is one of the oldest airlines operating. The airline's revenue is $54 billion, and the assets amount to $73.1 billion.
American Airlines
American Airlines is one of the largest airlines worldwide based of scheduled passengers and total revenue. The airline's revenue is $52.3 billion, and the assets amount to $66.8 billion.
United Airlines Holdings
United Airlines is list of big three’ airlines in the US. The airline's revenue is $48.8 billion, and the assets amount to $70.4 billion.
Lufthansa Group
Lufthansa Airlines is the flag carrier and second-largest air carrier in Europe in terms of passenger numbers. The airline's revenue is $35.8 billion, and the assets amount to $48.8 billion.
China Southern Airlines
China Southern's biggest air carrier operating in China and is one of the top three Chinese airlines, alongside Air China and China Eastern Airlines. The airline's revenue is $12.9 billion, and the assets amount to $44.9 billion.
Air France-KLM Group
The Air France-KLM group is a global airline holding company that is headquartered in France. The airline's revenue is $29.4 billion, and the assets amount to $34.8 billion.
Southwest Airlines
The largest low-cost airline in the world, Southwest Airlines. The airline's revenue is $24.8 billion, and the assets amount to $35.6 billion.
International Airlines Group
IAG is a multinational airline holding company headquartered in London. The airline's revenue is $24.3 billion, and the assets amount to $42 billion.