Seoul Gimpo (GMP) December 2025 Flight Statistics Report (Flight Volume, On-Time Performance, Cancellations)

Flight Volume and Growth Trends

In December 2025, Seoul Gimpo Airport (GMP) recorded a total of 5,567 departing flights. This represents a year-over-year increase of +5.88%, indicating steady growth in flight operations compared to December 2024. The airport continues to play a vital role in connecting domestic and regional destinations, with a consistent rise in passenger demand. The increase in flight volume reflects the growing confidence in air travel and the airport's ability to handle higher traffic efficiently.

On-Time Performance Analysis

The on-time performance rate for departing flights at GMP in December 2025 was 81.61%. This marks a slight decline of -2.80 percentage points compared to the same period last year. While the majority of flights departed on schedule, the decrease in punctuality highlights potential challenges such as adverse weather conditions or increased air traffic congestion. Efforts to improve operational efficiency and minimize delays remain a priority for the airport.

Cancellations and Operational Stability

Seoul Gimpo Airport reported 15 flight cancellations in December 2025, a significant increase of 200.00% compared to December 2024. Despite this rise, the overall cancellation rate remains low relative to the total number of flights. The airport is actively working to enhance operational stability by addressing factors contributing to cancellations, such as aircraft maintenance and scheduling adjustments.

Overall Assessment and Outlook

December 2025 was a dynamic month for Seoul Gimpo Airport, with notable growth in flight volume and a strong on-time performance rate of 81.61%. While the increase in cancellations warrants attention, the airport's overall operational metrics remain robust. Looking ahead, GMP is expected to continue its upward trajectory, supported by infrastructure improvements and strategic initiatives aimed at enhancing passenger experience and operational efficiency.

Travel Recommendations and Passenger Tips

Passengers traveling through Seoul Gimpo Airport in the coming months are encouraged to plan ahead and stay informed about their flights. The NextFly App offers a range of features to enhance the travel experience, including real-time updates on scheduled and actual times, boarding gate information, and baggage carousel details. Additionally, travelers can use the app to monitor on-time performance rates and access live airport departure and arrival boards. For a smoother journey, consider arriving early during peak travel periods and staying updated on potential delays or gate changes through the app's delay alerts and gate change notifications.