AHK Air Hong Kong Limited is an all-cargo airline based in Chek Lap Kok, Hong Kong, with its main hub at Hong Kong International Airport. The airline operates an express freight network to 13 destinations in nine countries, including China, Japan, Malaysia, Philippines, Taiwan, Singapore, South Korea, Thailand and Vietnam. It has a fleet of Airbus A300-600F General Freighters, which the airline was the launch customer of this new variant. Its head office is located on the fourth floor of the South Tower of Cathay Pacific City.

Cargo airlines are airlines mainly dedicated to the transport of cargo by air. Some cargo airlines are divisions or subsidiaries of larger passenger airlines. In 2018, airline cargo traffic represented 262,333 million tonne-kilometres with a 49.3% load factor: 52.1% for dedicated cargo operations, and 47.9% within mixed operations.