HU Airline Code, Hainan Airlines
HU is the IATA airline code for Hainan Airlines based in China. The airline also has the 3-letter ICAO code CHH, and its radio callsign is "Hainan". With 555 scheduled routes in the open dataset, it is one of the most connected carriers in the world, ranked number 22 by routes. You will see HU as the two-character prefix on its flight numbers, for example HU123.
What is the Hainan Airlines airline code?
The IATA airline code for Hainan Airlines is HU. This two-character code prefixes the airline's flight numbers and appears on tickets and schedules. The three-letter ICAO code CHH is used in flight plans and air traffic control.
IATA airline codes are two characters and can reuse letters over time, so a retired airline's code may later be assigned to another carrier. ICAO codes are three letters and are more stable, which is why flight plans use them.
Frequently asked questions
What is the airline code for Hainan Airlines?
The IATA airline code for Hainan Airlines is HU. Its ICAO code is CHH.
What is the abbreviation for Hainan Airlines?
The two-character IATA abbreviation for Hainan Airlines is HU, and its three-letter ICAO code is CHH.
What airline is HU?
HU is the IATA code for Hainan Airlines, based in China.
What is the ICAO code for Hainan Airlines?
Hainan Airlines uses the ICAO airline code CHH and the radio callsign "Hainan".
What country is Hainan Airlines based in?
Hainan Airlines (HU) is based in China.
What is the radio callsign for Hainan Airlines?
Air traffic control refers to Hainan Airlines by the radio callsign "Hainan".
Routes flown by Hainan Airlines
Some of the busiest routes Hainan Airlines (HU) appears on in the open route dataset, with distance and typical flight time: