| Jade Cargo International | JI | JAE | 189 |
| Jagson Airlines | |||
| JAL Express | JC | JEX | |
| JAL Ways | JO | JAZ | 708 |
| Jamaica Air Freighters | 605 | ||
| Jana Arka Airlines | JAK | ||
| Japan Air System | JD | JAS | 234 |
| Japan Airlines | JL | JAL | 131 |
| Japan Asia Airways | EG | JAA | 688 |
| Japan TransOcean Air | NU | JTA | 353 |
| Jaro International | JT | MDJ | 576 |
| Jat Airways | JU | JAT | 115 |
| Jatayu Airlines | VJ | JTY | |
| JES Air | JX | JES | |
| Jet Airways | 9W | JAI | 589 |
| Jet Aviation Business Jets | PP | PJS | |
| Jet Cargo Liberia | JCL | ||
| Jet Line International | MJL | ||
| Jet Link | JLH | 712 | |
| Jet2.com | LS | EXS | |
| Jetall | 8J | JTL | |
| JetBlue | B6 | JBU | |
| Jetclub | JCS | ||
| Jetflite Oy | JEF | ||
| Jetline Fluggesellschaft | |||
| JetLite | S2 | RSH | |
| Jetsgo | SG | JGO | |
| Jetstar | JQ | JST | 041 |
| Jetstar Asia | 3K | JSA | |
| JetSul | AJU | ||
| Jett Paqueteria | JPQ | ||
| Jett8 Airlines Cargo | JX | JEC | 693 |
| JHM Cargo Express | JHM | 187 | |
| Jingmen United | |||
| jmc airlines | MT | JMC | 885 |
| Jubba Airways | 3O | JUB | |
| Juneyao Airlines | HO | DKH |