Hong Kong International Airport (IATA: HKG, ICAO: VHHH) is the main airport in Hong Kong. It is located on the island of Chek Lap Kok, which largely comprises land reclaimed for the construction of the airport itself. The airport is also known as Chek Lap Kok Airport, to distinguish it from its predecessor, the closed Kai Tak Airport. The airport has been in commercial operation since 1998, replacing the Kai Tak Airport. It is an important regional trans-shipment centre, passenger hub and gateway for destinations in Mainland China (with 45 destinations) and the rest of Asia. The airport is the world's busiest cargo gateway and one of the world's busiest passenger airports. It is also home to one of the world's largest passenger terminal buildings (the largest when opened in 1998).
The airport is operated by the Airport Authority Hong Kong 24 hours a day and is the primary hub for Cathay Pacific (the flag carrier of Hong Kong), Cathay Dragon, Hong Kong Airlines, Hong Kong Express Airways and Air Hong Kong (cargo carrier). The airport is one of the hubs of Oneworld alliance, and it is also one of the Asia-Pacific cargo hubs for UPS Airlines. Hong Kong Intl. Airport is an important contributor to Hong Kong's economy, with approximately 65,000 employees. More than 100 airlines operate flights from the airport to over 180 cities across the globe. In 2015, Hong Kong Intl. Airport handled 68.5 million passengers, making it the 8th busiest airport worldwide by passenger traffic.