South Korea's Ministry of Land, Infrastructure and Transport reported (29-May-2018) the following traffic highlights for Apr-2018:
- Passengers: 9.8 million, +12.5% year-on-year;
- Domestic: 2.9 million, +0.5%;
- Korean Air: 679,793, -8.8%;
- Asiana: 562,112, +12.6%;
- LCCs: 1.6 million, +1.0%;
- Jeju Air: 394,368, +0.8%;
- Air Busan: 381,488, +15.0%;
- Jin Air: 363,953, -5.1%;
- EasterJet: 249,386, -6.2%;
- T'way: 245,767, -0.1%;
- International: 6.9 million, +18.4%;
- Southeast Asia: 2.7 million, +12.6%;
- Japan: 1.7 million, +20.6%;
- China: 1.3 million, +43.9%;
- Americas: 423,816, +10.4%;
- Europe: 464,568, +8.1%;
- Oceania: 218,782, +4.8%;
- Others: 83,152, -1.1%;
- By carrier:
- Korean Air: 1.6 million, +11.6%
- Asiana: 1.1 million, +10.9%;
- LCCs: 1.9 million, +32.9%;
- Jeju Air: 559,336, +31.3%;
- Jin Air: 406,483, +18.2%;
- T'way: 327,116, +41.1%;
- Air Busan: 286,391, +35.6%;
- EastarJet: 214,404, +14.5%;
- Air Seoul: 139,994, +152.8%;
- Foreign carriers: 2.2 million, +16.8%. [more - original PR - Korean]