China Southwest Airlines
China Southwest Airlines was a Chinese civil airline headquartered in Chengdu that operated domestic and international services from 1987 until its merger into Air China in 2002.
Last updated October 9, 2026
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Overview
China Southwest Airlines was a Chinese civil airline headquartered in Shuangliu, Chengdu, Sichuan. Established on 15 October 1987, it became an important carrier for southwestern China, operating from a primary hub at Chengdu Shuangliu International Airport and a secondary hub at Chongqing Jiangbei International Airport. Its network was centered on domestic routes linking Chengdu and Chongqing with cities across China, while also extending to selected destinations in Asia, including Bangkok, Chiang Mai, Kathmandu, Kuala Lumpur, Singapore, Osaka and Seoul. The airline held particular strategic importance for air transport in Tibet and western China. It was the only airline serving Lhasa Gonggar Airport until 2002, making it a significant part of the region's civil aviation infrastructure. Its operation of routes in mountainous and geographically remote areas distinguished it from carriers focused primarily on China's eastern coastal markets. China Southwest Airlines expanded its international aviation relationships during the 1990s. It joined the International Air Transport Association in April 1996 and entered the Multilateral and Bilateral Interline Traffic Agreements in March 1997. These developments supported cooperation with other airlines and the handling of connecting and interline traffic. The carrier operated a mixed fleet over its lifetime. Aircraft types included the Ilyushin Il-18D, Tupolev Tu-154, Boeing 707, Boeing 737-300, Boeing 737-600, Boeing 737-800, Boeing 757-200 and Airbus A340-300. Its fleet therefore covered both earlier-generation Soviet and Western aircraft and later narrow-body and wide-body jets used for domestic, regional and longer international services. By 2000, China Southwest Airlines had carried 50.5 million passengers and 130 tonnes of cargo, according to the cited historical reference. These figures reflected its role as a substantial regional airline before China's civil aviation industry was reorganized. On 28 October 2002, the airline was merged into Air China as part of a broader restructuring of the country's aviation sector. The China Southwest Airlines brand consequently ceased to operate as an independent airline, and its activities and assets became part of Air China's broader organization.
History
China Southwest Airlines was established on 15 October 1987 as part of the development of China's civil aviation system. Based in Shuangliu, Chengdu, the airline served the southwestern region of the country, where long distances, difficult terrain and limited surface transport made air links especially important. Chengdu Shuangliu International Airport served as its principal hub, while Chongqing Jiangbei International Airport functioned as a secondary hub. The airline's domestic network connected Chengdu and Chongqing with destinations throughout China. Its geographic role extended beyond ordinary regional service: China Southwest Airlines was the only airline serving Lhasa Gonggar Airport until 2002. This gave it a distinctive position in the development of regular air transport to Tibet and other western areas. Although most of its routes were domestic, the airline also operated international services to selected Asian cities, including Bangkok, Chiang Mai, Kathmandu, Kuala Lumpur, Singapore, Osaka and Seoul. During the 1990s, China Southwest Airlines developed its international industry affiliations. It joined the International Air Transport Association in April 1996 and subsequently entered the Multilateral and Bilateral Interline Traffic Agreements in March 1997. These arrangements were relevant to the airline's ability to cooperate with other carriers and participate in interline travel beyond its own network. Its fleet changed substantially over time. Earlier operations included the Ilyushin Il-18D, Tupolev Tu-154 and Boeing 707. Later aircraft included Boeing 737-300, Boeing 737-600, Boeing 737-800, Boeing 757-200 and Airbus A340-300 aircraft. The mixture reflected the transition of China's airlines from older Soviet and early-generation aircraft toward newer Western-built narrow-body and wide-body fleets. The airline also experienced serious accidents during its history. On 18 January 1988, Flight 4146, an Ilyushin Il-18D, crashed while approaching Chongqing Baishiyi Airport, killing all 108 people on board. On 2 October 1990, a China Southwest Airlines Boeing 707 was involved in a ground collision sequence connected with the hijacking of Xiamen Airlines Flight 8301; no one aboard the Boeing 707 died. On 24 February 1999, Flight 4509, a Tupolev Tu-154, crashed while approaching Wenzhou Airport, killing all 61 occupants. China Southwest Airlines subsequently withdrew its Tu-154 fleet. By 2000, the airline had carried 50.5 million passengers and 130 tonnes of cargo, according to the referenced historical account. In the context of a wider reorganization of China's civil aviation sector, China Southwest Airlines merged into Air China on 28 October 2002. The transaction ended its existence as an independent carrier and transferred its operations into Air China's organization. The China Southwest Airlines brand is therefore defunct, although its former hubs, routes and aviation infrastructure contributed to the development of Air China's presence in southwestern China.
- 2002
Merger into Air China
[1]China Southwest Airlines merged into Air China on 28 October 2002 as part of China's civil aviation restructuring.
- 2000
Reported passenger and cargo traffic
[1]The airline was reported to have carried 50.5 million passengers and 130 tonnes of cargo during 2000.
- 1999
Flight 4509 accident and Tu-154 withdrawal
[1]Flight 4509, operated by a Tupolev Tu-154, crashed near Wenzhou on 24 February 1999, killing all 61 occupants. The airline subsequently withdrew its Tu-154 fleet.
- 1997
Enters interline traffic agreements
[1]China Southwest Airlines entered Multilateral and Bilateral Interline Traffic Agreements in March 1997.
- 1996
Joins the International Air Transport Association
[1]The airline joined the International Air Transport Association in April 1996.
- 1988
Flight 4146 accident
[1]An Ilyushin Il-18D operating as Flight 4146 crashed while approaching Chongqing Baishiyi Airport, killing all 108 people on board.
- 1987
Establishment of China Southwest Airlines
[1]China Southwest Airlines was established on 15 October 1987 as a civil airline headquartered in the Chengdu area.
Products and positioning
A major southwestern Chinese airline focused on domestic connectivity, western and Tibetan routes, and selected Asian international services.
Passenger airline services · 1987
Domestic passenger services
Domestic scheduled passenger flights formed the core of China Southwest Airlines' business. The carrier used Chengdu and Chongqing as its main operating bases to connect southwestern China with destinations across the country.
Regional passenger airline services
Lhasa and western China services
The airline operated services to geographically remote western destinations, including Lhasa Gonggar Airport. It was the only airline serving Lhasa until 2002, giving this route group particular strategic importance.
International passenger airline services
International Asian services
Alongside its domestic network, China Southwest Airlines served selected Asian destinations. The documented network included Bangkok, Chiang Mai, Kathmandu, Kuala Lumpur, Singapore, Osaka and Seoul.
Air cargo
Air cargo transport
Cargo transport was part of the airline's operating activity. The cited historical account reports that China Southwest Airlines carried 130 tonnes of cargo in 2000.
Brand decisions
2002
Merger into Air ChinaM&ABackground
China's civil aviation sector underwent restructuring intended to consolidate and reorganize major airline operations.
Action taken
China Southwest Airlines was merged into Air China on 28 October 2002.
Aftermath
The airline ceased to exist as an independent carrier, and its operations became part of Air China's organization.
1999
Withdraws the Tu-154 fleet after Flight 4509Generation changeBackground
China Southwest Airlines Flight 4509, a Tupolev Tu-154, crashed while approaching Wenzhou Airport on 24 February 1999, killing all 61 people on board.
Action taken
The airline withdrew its Tu-154 aircraft from service after the accident.
Aftermath
The decision ended the airline's operation of the Tu-154 type and formed part of its transition toward a fleet that included Boeing 737, Boeing 757 and Airbus A340 aircraft.
Sources1 sources
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