HU Airline Code, Hainan Airlines
HU is the IATA airline code for Hainan Airlines, based in China. Its ICAO code is CHH and its radio callsign is "Hainan".
What airline is HU?
HU is the IATA airline code for Hainan Airlines, based in China. Its ICAO code is 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.
| IATA airline code | HU |
|---|---|
| ICAO airline code | CHH |
| Radio callsign | Hainan |
| Country | China |
| Alliance | None (unaligned) |
| Scheduled routes | 555 (ranked #22) |
| Most routes at | PEK Beijing |
| Status | Active |
What is the airline code for Hainan Airlines?
The IATA airline code for Hainan Airlines is HU, and its ICAO code is CHH. The two-character IATA code prefixes the carrier's flight numbers, for example HU123.
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.
Where the HU code comes from
HU belongs to Hainan Airlines, founded in 1993 in China's island province of Hainan, with the H drawn from the name. It grew into China's largest carrier outside the big three state groups, and its home base at Haikou Meilan anchors the code even as its network spreads across the country.
More on how these identifiers work in what an IATA code is and airline callsigns.
What are Hainan Airlines's hub airports?
Hainan Airlines (HU) concentrates its network on HAK (Haikou), PEK (Beijing).
Which airport does Hainan Airlines serve most?
Hainan Airlines (HU) appears on more routes at PEK, Beijing, than at any other airport in the open route dataset.
The airports Hainan Airlines appears at most often in that dataset, most routes first:
Routes flown by Hainan Airlines
The busiest pairs Hainan Airlines (HU) is listed as operating in the open route dataset (codeshare-only listings excluded), with distance and typical flight time:
Route and carrier data comes from the OpenFlights open dataset, regenerated here on . It is a historical snapshot of scheduled connections, not a live schedule, and it includes codeshare listings, so some carriers shown may no longer operate the route or exist. How we build this · Data and sources.
Frequently asked questions
What is the ICAO code for Hainan Airlines?
Hainan Airlines uses the ICAO airline code CHH and the radio callsign "Hainan". Flight plans and air traffic control use CHH, while tickets and schedules use HU.
What is the radio callsign for Hainan Airlines?
Air traffic control refers to Hainan Airlines by the radio callsign "Hainan".
What country is Hainan Airlines based in?
Hainan Airlines (HU) is based in China.
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.
How many routes does Hainan Airlines fly?
The open route dataset lists 555 route entries for Hainan Airlines, codeshare listings included, which ranks the carrier number 22 by that count. The route table below shows only the pairs Hainan Airlines is listed as operating.
Is Hainan Airlines in an airline alliance?
Hainan Airlines (HU) is not a member of Star Alliance, oneworld or SkyTeam. It relies on its own network and bilateral partnerships instead.