According to CompaniesMarketCap data, the chart below ranks the world's 25 largest listed airlines by annual revenue. Delta leads the list with $68.3 billion in annual revenue, followed by United Airlines and American Airlines. The combined annual revenue of the three major US airlines exceeds $187 billion. Europe's largest traditional airline groups include Lufthansa, Air France-KLM Group. China Southern Airlines, Air China, and Eastern Airlines are among the top three in Asia.

According to CompaniesMarketCap data, the chart below ranks the world's 25 largest listed airlines by annual revenue. Delta leads the list with $68.3 billion in annual revenue, followed by United Airlines and American Airlines. The combined annual revenue of the three major US airlines exceeds $187 billion. Europe's largest traditional airline groups include Lufthansa, Air France-KLM Group. China Southern Airlines, Air China, and Eastern Airlines are among the top three in Asia.