Jeju (CJU) – Ulsan (USN)
From Aug 29, 2026 to Sep 18, 2026 we saw 82 flights between Jeju and Ulsan 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
CJU → USN
- Recorded departures
- 39
USN → CJU
- Recorded departures
- 43
CJU → USN and USN → CJU counted separately.
Airlines on this route
Aug 29, 2026 – Sep 18, 2026| Airline | Scheduled flights | Share |
|---|---|---|
| Air Busan BX | 44 | 53.7% |
| Korean Air KE | 38 | 46.3% |
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.