Beijing Capital International Airport (pinyin: Beijing Shoudu Guójì Jicháng) (IATA: PEK, ICAO: ZBAA) is the main international airport that serves the
capital city of Beijing, People's Republic of China. The IATA Airport Code is PEK, reflecting Beijing's former Romanization Peking. The code BJS is also
frequently used, reflecting the current pinyin spelling of Beijing and including all airports in the Beijing metropolitan area; currently, Beijing Capital
(PEK) is the only civil aviation airport that falls under BJS. Entering either code will get a passenger to the same airport.
Beijing Capital has rapidly ascended in rankings of the world's busiest airports in the past decade. It had become the busiest airport in Asia in terms of
passenger traffic and total traffic movements by 2009. As of 2012, Beijing Capital International Airport is the second busiest airport in the world in terms of
passenger throughput behind Hartsfield-Jackson Atlanta International Airport. The airport registered 557,167 aircraft movements (take-offs and landings), which
ranked 6th in the world in 2012. In terms of cargo traffic, Beijing airport has also witnessed rapid growth. By 2012, the airport had become the 13th busiest
airport in the world by cargo traffic, registering 1,787,027 tonnes.
Beijing Capital International Airport is the main hub for Air China, the flag carrier of the People's Republic of China, which flies to around 120 destinations
(excluding cargo) from Beijing. Hainan and China Southern Airlines also use the airport as their hub.
To accommodate the growing traffic volume, Beijing Capital added the enormous Terminal 3 in 2008 in time for the Olympic Games, the second largest airport
terminal in the world after Dubai International Airport's Terminal 3, and the fifth largest building in the world by area.