(1) American Airlines Group
American Airlines Group Inc. is an American publicly traded airline holding company headquartered in Fort Worth, Texas. It was formed December 9, 2013, in the merger of AMR Corporation, the parent company of American Airlines, and US Airways Group, the parent company of US Airways. The airline groups together form the largest airline in the world, with more than 6,700 daily flights to 350 locations in 56 countries worldwide, about $40 billion in operating revenue, over 100,000 employees, and plans to take delivery of 607 new aircraft, including 517 narrowbody aircraft and 90 widebody international aircraft. The integration of American Airlines and US Airways was completed when the Federal Aviation Administration granted a single operating certificate for both carriers on April 8, 2015.
(2) Delta Air Lines
Delta Air Lines, Inc. often referred to simply as Delta, is a major United States airline, with its headquarters and largest hub at Hartsfield–Jackson Atlanta International Airport in Atlanta, Georgia. The airline, along with its subsidiaries and regional affiliates, operates over 5,400 flights daily and serves an extensive domestic and international network that includes 319 destinations in 54 countries on six continents, as of October 2016. Delta is one of the four founding members of the SkyTeam airline alliance, and operates joint ventures with Aeroméxico, Air France-KLM, Alitalia, Korean Air, Virgin Atlantic, Virgin Australia, and WestJet. Regional service is operated under the brand name Delta Connection.
(3) United Continental Holdings
United Continental Holdings, Inc. formerly UAL Corporation is a publicly traded airline holding company headquartered in the Willis Tower in Chicago. UCH owns and operates United Airlines, Inc. The company is the successor of UAL Corporation, which agreed to change its name to United Continental Holdings in May 2010, when a merger agreement was reached between United and Continental Airlines. Its stock trades under the UAL symbol. To effect the merger, Continental shareholders received 1.05 shares of UAL stock for each Continental share, effectively meaning Continental was acquired by UAL Corporation; at the time of closing, it was estimated that United shareholders owned 55% of the merged entity and Continental shareholders owned 45%.
Deutsche Lufthansa AG,ˌdɔʏtʃə ˈlʊfthanzaː, commonly known as Lufthansa (sometimes also as Lufthansa German Airlines), is the largest German airline and, when combined with its subsidiaries, also the largest airline in Europe both in terms of fleet size and passengers carried during 2017. The name of the company is derived from the German word, Luft ‘air’ and Hansa, the Hanseatic League. Lufthansa is one of the five founding members of Star Alliance, the world’s largest airline alliance, formed in 1997.
(5) Air France–KLM
Air France–KLM is a Franco-Dutch airline holding company incorporated under French law with its headquarters at Charles de Gaulle Airport in Tremblay-en-France, near Paris. The group has offices in Montreuil, Seine-Saint-Denis, Paris, and in Amstelveen, Netherlands. Air France–KLM is the result of the merger in 2004 between Air France and KLM. Both Air France and KLM are members of the SkyTeam airline alliance. The company’s namesake airlines rely on two major hubs, Paris–Charles de Gaulle Airport and Amsterdam Airport Schiphol respectively. Air France–KLM Airlines transported 87.3 million passengers in 2014.
(6) International Airlines Group
International Consolidated Airlines Group, S.A., often shortened to IAG, is an Anglo-Spanish multinational airline holding company with its registered office in Madrid, Spain and its operational headquarters in London, UK. It was formed in January 2011 after a merger agreement between British Airways and Iberia, the flag carrier airlines of the United Kingdom and Spain respectively. As British Airways was the larger company, those holding shares in British Airways at the time of the merger were given 55% of the shares in the new, merged company. British Airways and Iberia ceased to be independent companies and instead became 100% owned subsidiaries of IAG. It is the sixth-largest airline company in the world, producing €22.972 billion revenue in 2017. The company is listed on the London Stock Exchange and the Madrid Stock Exchange. It is a constituent of the FTSE 100 Index and IBEX 35 Index.
(7) Southwest Airlines
Southwest Airlines Co. is a major United States airline headquartered in Dallas, Texas, and is the world’s largest low-cost carrier.
The airline was established in 1967 by Herb Kelleher as Air Southwest Co. and adopted its current name, Southwest Airlines Co., in 1971, when it began operating as an intrastate airline wholly within the state of Texas, first flight between Dallas and San Antonio. The airline has more than 57,000 employees as of March 2018 and operates more than 4,000 departures a day during peak travel season. As of 2014, it carried the most domestic passengers of any U.S. airline.
As of September 2018, Southwest Airlines has scheduled services to 99 destinations in the United States and ten additional countries, with services to Turks & Caicos having begun on November 5, 2017. Service to four destinations in Hawaii is coming in late 2018 or early 2019 subject to FAA approval, with routes to be decided on and announced in the near future.
(8) China Southern Airlines
China Southern Airlines Company Limited is an airline headquartered in Baiyun District, Guangzhou, Guangdong Province, China. Established on 1 July 1988 following the restructuring of the Civil Aviation Administration of China that acquired and merged a number of domestic airlines, the airline became one of China’s “Big Three” airlines (alongside Air China and China Eastern Airlines), the world’s sixth-largest airline measured by passengers carried and Asia’s largest airline in fleet size, revenue and passengers carried. With its main hubs at Guangzhou Baiyun International Airport and Beijing Capital International Airport, the airline operates more than 2,000 flights to 208 destinations daily as a member of SkyTeam. The logo of the airline consists of a kapok flower (which is also the city flower of Guangzhou) on a blue tail fin.
(9) China Eastern Airlines
China Eastern Airlines Corporation Limited, 中国东方航空公司, 中國東方航空公司, colloquially known as 东航/東航, is an airline headquartered in the China Eastern Airlines Building, on the grounds of Shanghai Hongqiao International Airport in Changning District, Shanghai. It is a major Chinese airline operating international, domestic and regional routes. Its main hubs are at Shanghai Pudong International Airport and Shanghai Hongqiao International Airport, with secondary hubs at Beijing Capital International Airport, Kunming Changshui International Airport and Xi’an Xianyang International Airport.
(10) All Nippon Airways
All Nippon Airways Co., Ltd., 全日本空輸株式会社, Zen Nippon Kūyu Kabushiki gaisha, also known as Zennikkū (全日空) or ANA, is the largest airline in Japan on the basis of fleet size. Its headquarters are located at Shiodome City Center in the Shiodome area of Minato, Tokyo, Japan. It operates services to both domestic and international destinations and had more than 20,000 employees as of March 2016. In May 2010, ANA’s total passenger traffic was up year-on-year by 7.8%, and its international services grew by 22% to 2.07 million passengers in the first five months of 2010. ANA’s main international hubs are at Narita International Airport outside Tokyo and Kansai International Airport outside Osaka. Its main domestic hubs are at Tokyo International Airport (Haneda), Osaka International Airport (Itami), Chūbu Centrair International Airport (near Nagoya), and New Chitose Airport (near Sapporo).