What's the busiest hour for departures at ICN?

Departures from Incheon International Airport peak at 18:00 local time, averaging 98.5 flights per hour over the past 60 days.

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

The quietest hour with regular service is 04:00 local time, averaging 1.1 flights per hour.

Which airline operates the most flights from ICN?

Korean Air (KE) is the largest operator at Incheon International Airport, with 11229 observed departures in the past 60 days.

What's the most popular destination from ICN?

Tokyo (Narita) (NRT) is the most-flown destination, with 4216 observed departures in the past 60 days.

🇰🇷

ICN Airport - Incheon International Airport

Seoul, South Korea. Departures peak at 18:00 local, averaging 98.5 flights per hour.

Window: last 60 days. Last refreshed: 2026-08-16. Schedule coverage: 132 days observed.

Peak departure hour

18:00

98.5 flights/hr

Quietest active hour

04:00

1.1 flights/hr

Traffic score

85/100

Relative volume

Departures by hour (local time)

Avg per day, last 60 days

Total: 1081.3 avg departures per day.

Weekday vs weekend departure pattern

Weekday avg per hour

Weekend avg per hour

Arrivals by hour (local time)

Avg per day, last 60 days

Peak arrival hour: 17:00 local (87.4 flights/hr). Total: 1070.9 avg arrivals/day.

Top airlines

1. Korean Air (KE) 11,229
2. Asiana Airlines, (OZ) 7,770
3. Delta Air Lines, (DL) 4,767
4. Jeju Air (7C) 3,320
5. Jin Air (LJ) 2,117

Top destinations

1. 🇯🇵 Tokyo (Narita) (NRT) 4,216
2. 🇯🇵 Osaka (KIX) 3,697
3. 🇯🇵 Fukuoka (FUK) 2,860
4. 🇭🇰 Hong Kong (HKG) 2,838
5. 🇨🇳 Shanghai (PVG) 2,496

Frequently asked

What's the busiest hour for departures at ICN?: Departures from Incheon International Airport peak at 18:00 local time, averaging 98.5 flights per hour over the past 60 days.
What's the quietest hour to fly out of ICN?: The quietest hour with regular service is 04:00 local time, averaging 1.1 flights per hour.
Which airline operates the most flights from ICN?: Korean Air (KE) is the largest operator at Incheon International Airport, with 11229 observed departures in the past 60 days.
What's the most popular destination from ICN?: Tokyo (Narita) (NRT) is the most-flown destination, with 4216 observed departures in the past 60 days.

Tracking a flight through ICN?

Forward your booking and TripWaffle alerts you to gate changes, delays, baggage carousels, and security wait spikes - so you don't have to keep refreshing.

Get realtime alerts Free to start. No card required.

<- All airports · Busiest by hour · Quietest mornings · Methodology