Direct flights from Yeosu (RSU) to Jeju City (CJU): 21 nonstop departures observed each week across 3 airlines. 91% of the last 32 operated flights arrived within 15 minutes of schedule. The median arrival is 9 minutes early. No cancellations were recorded across the 32 tracked flights. The nonstop covers 181 km, an estimated 44 minutes in the air. Measured by Pro Flight Search from live flight boards at Yeosu and Jeju City. Updated 8 September 2026 at 20:23 UTC.
RSUYeosutracking
CJUJeju Citysmooth · +0
181 km · ~0h 44m est.
dep bank 10:15–16:5021x weekly
Runs reliable · 3 airlines · 21x weekly · nonstop
91% on time
of the last 32 operated RSU → CJU flights arrived within 15 minutes
Pro Flight Search records official board updates for nonstop RSU to CJU flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.
Smooth skies ahead. Both endpoints currently score the same, route health score 100/100. The airports section above carries the live status and delay window at both ends.
How long is the flight from RSU to CJU?
Great-circle distance is 181 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 43–46 min gate-to-gate on this route.
How often does RSU–CJU fly?
3 carriers operate this route, around 28 flights a week between them. Compare carrier days and times in the airline list above.
What does the route health score measure?
A blend of departure-side delay at RSU and arrival-side delay at CJU, computed from rolling delay windows (refreshed every 40 minutes) with a daily-rollup fallback. Current MVFR, IFR, or LIFR endpoint weather caps the score when flight rules can limit throughput. Higher is healthier: 100 means operations are clean at both ends.