Humberto Delgado (LIS) December 2025 Flight Statistics Report (Flight Volume, On-Time Performance, Cancellations)

Flight Volume and Growth Trends

In December 2025, Humberto Delgado Airport (LIS) recorded a total of 8,610 departing flights. This represents a slight year-over-year decrease of -0.92%, reflecting a marginal decline in flight operations compared to December 2024. Despite the decrease, the airport maintained a steady flow of traffic, serving as a critical hub for both domestic and international routes. The slight drop in flight volume could be attributed to seasonal variations and adjustments in airline schedules. Overall, the airport continues to play a vital role in connecting Lisbon to global destinations.

On-Time Performance Analysis

The on-time performance rate for departing flights at LIS in December 2025 was 50.67%, marking a significant decline of -11.83 percentage points compared to the same period last year. This drop in punctuality highlights operational challenges, including potential weather disruptions and increased air traffic congestion during the holiday season. Efforts to improve on-time performance remain a priority, with ongoing initiatives to streamline ground operations and enhance air traffic management systems.

Cancellations and Operational Stability

Humberto Delgado Airport experienced 180 flight cancellations in December 2025, a substantial increase of 205.08% compared to December 2024. This sharp rise in cancellations underscores the impact of external factors such as adverse weather conditions and operational constraints. The airport is actively collaborating with airlines and stakeholders to minimize disruptions and ensure greater operational stability in the future.

Overall Assessment and Outlook

December 2025 presented a mixed performance for Humberto Delgado Airport. While the slight decline in flight volume and significant challenges in on-time performance and cancellations were notable, the airport remains a key transportation hub for Lisbon. Looking ahead, strategic investments in infrastructure and technology are expected to enhance operational efficiency and passenger experience. The airport's commitment to addressing these challenges positions it for a stronger performance in the coming months.

Travel Recommendations and Passenger Tips

Passengers traveling through Humberto Delgado Airport are advised to plan ahead, especially during peak holiday periods. Utilizing tools like the NextFly App can greatly enhance the travel experience. The app provides real-time updates on boarding gate information, check-in counter details, and airport departure and arrival boards. Additionally, features such as delay alerts, gate change notifications, and arrival reminders ensure passengers stay informed throughout their journey. Travelers are also encouraged to monitor weather conditions and allow extra time for check-in and security procedures during busy periods.