Seoul Incheon (ICN) December 2025 Flight Statistics Report (Flight Volume, On-Time Performance, Cancellations)

Flight Volume and Growth Trends

In December 2025, Seoul Incheon International Airport (ICN) recorded a total of 16,190 departing flights. This represents a year-over-year increase of +1.81%, reflecting steady growth in flight operations. The airport continues to serve as a major hub for international and domestic travel, with consistent demand across key routes. The slight increase in flight volume highlights the recovery of the aviation sector and the growing confidence of passengers in air travel during the holiday season.

On-Time Performance Analysis

The on-time performance (OTP) rate for departing flights at ICN in December 2025 was 72.90%. This marks a significant improvement of +26.02 percentage points compared to the same period last year. The enhanced OTP rate can be attributed to improved operational efficiency, favorable weather conditions, and effective coordination among airlines and airport authorities. Despite the busy holiday season, ICN managed to maintain a high level of punctuality, ensuring a smoother travel experience for passengers.

Cancellations and Operational Stability

In December 2025, ICN reported 357 flight cancellations, which is a year-over-year increase of +18.60%. The rise in cancellations was primarily due to unforeseen operational challenges and a few instances of adverse weather conditions. However, the airport's overall operational stability remained robust, with contingency plans in place to minimize disruptions and assist affected passengers promptly.

Overall Assessment and Outlook

Seoul Incheon International Airport (ICN) demonstrated strong performance metrics in December 2025, with notable improvements in on-time performance and a stable increase in flight volume. While the rise in cancellations poses a challenge, the airport's proactive measures and efficient management have mitigated the impact on passengers. Looking ahead, ICN is well-positioned to handle increasing passenger traffic and maintain its reputation as a leading global aviation hub.

Travel Recommendations and Passenger Tips

Passengers traveling through ICN in the future are encouraged to utilize the NextFly App for a seamless travel experience. The app provides real-time updates on boarding gate information, baggage carousel information, and airport departure and arrival boards. Additionally, features such as delay alerts, gate change alerts, and arrival reminders ensure that travelers stay informed and prepared. For those planning trips during peak seasons, it is advisable to arrive at the airport early and stay updated on flight schedules to avoid last-minute inconveniences.