999 — AIR CHINA
999 is the 3-digit airline accounting code (ticket prefix) of Air China. Any 13-digit e-ticket number starting with 999 was issued by, or on behalf of, this airline (e.g. 999-1234567890).
| 3-digit code | 999 |
|---|---|
| Airline | Air China |
| IATA designator | CA |
| ICAO code | CCA |
| Country | China |
Air China airline profile → · All airline codes →
Source: IATA Current Airline Members (public list). Last verified 2026-10-15.