What's the busiest hour for departures at CJU?

Departures from Jeju International Airport peak at 13:00 local time, averaging 30 flights per hour over the past 60 days.

What's the quietest hour to fly out of CJU?

The quietest hour with regular service is 06:00 local time, averaging 3 flights per hour.

Korean Air (KE) is the largest operator at Jeju International Airport, with 755 observed departures in the past 60 days.

Seoul (GMP) is the most-flown destination, with 1241 observed departures in the past 60 days.

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Cheju, South Korea. Departures peak at 13:00 local, averaging 30 flights per hour.

Window: last 60 days. Last refreshed: 2026-09-09. Schedule coverage: 17 days observed.

Peak departure hour

13:00

30 flights/hr

Quietest active hour

06:00

3 flights/hr

Traffic score

82/100

Relative volume

Avg per day, last 60 days

Total: 311.8 avg departures per day.

Weekday avg per hour

Weekend avg per hour

Avg per day, last 60 days

Peak arrival hour: 12:00 local (25.9 flights/hr). Total: 309.4 avg arrivals/day.

What's the busiest hour for departures at CJU?: Departures from Jeju International Airport peak at 13:00 local time, averaging 30 flights per hour over the past 60 days.
What's the quietest hour to fly out of CJU?: The quietest hour with regular service is 06:00 local time, averaging 3 flights per hour.
Which airline operates the most flights from CJU?: Korean Air (KE) is the largest operator at Jeju International Airport, with 755 observed departures in the past 60 days.
What's the most popular destination from CJU?: Seoul (GMP) is the most-flown destination, with 1241 observed departures in the past 60 days.

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