Direct flights from Nanjing (NKG) to Jeju City (CJU): 14 nonstop departures observed each week across 2 airlines. 90% of the last 21 operated flights arrived within 15 minutes of schedule. The median arrival is 5 minutes early. 1 of the 21 tracked flights was cancelled. The nonstop covers 741 km, an estimated 1 hour 27 minutes in the air. Measured by Pro Flight Search from live flight boards at Nanjing and Jeju City. Updated 7 September 2026 at 22:26 UTC.
NKGNanjingtracking
CJUJeju Citysmooth · +0
741 km · ~1h 27m est.
dep bank 10:45–22:3014x weekly
Runs reliable · 2 airlines · 14x weekly · nonstop
90% on time
of the last 21 operated NKG → CJU flights arrived within 15 minutes
Pro Flight Search records official board updates for nonstop NKG 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 NKG to CJU?
Great-circle distance is 741 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 82–94 min gate-to-gate on this route.
How often does NKG–CJU fly?
2 carriers operate this route, around 19 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 NKG 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.