Cheongju International Airport/Cheongju Air Base (K-59/G-513) (CJJ) – Jeju (CJU)
From Aug 29, 2026 to Sep 23, 2026 we saw 775 flights between Cheongju International Airport/Cheongju Air Base (K-59/G-513) and Jeju on public flight boards. This is a sample, not a full count.
according to Avionio collected from public airport flight boards (Avionio) — not an official count
This route is a sample
These flights come from public flight boards that we read on a rotating schedule, so some days are missing. The totals undercount the route. Use them to see which airlines fly it, not how many flights there are.
By direction
CJJ → CJU
- Recorded departures
- 551
CJU → CJJ
- Recorded departures
- 224
CJJ → CJU and CJU → CJJ counted separately.
Airlines on this route
Aug 29, 2026 – Sep 23, 2026| Airline | Scheduled flights | Share |
|---|---|---|
| Jin Air LJ | 169 | 21.8% |
| Korean Air KE | 136 | 17.5% |
| T'Way Air TW | 134 | 17.3% |
| Jeju Air 7C | 130 | 16.8% |
| Asiana Airlines OZ | 97 | 12.5% |
| Eastar Jet ZE | 65 | 8.4% |
| Aero K RF | 44 | 5.7% |
Counted from flight boards. Codeshares are merged into one flight; airlines under 5% of flights are grouped, because airline codes on flight boards are sometimes reused by another carrier.