Houston (IAH) December 2025 Flight Statistics Report (Flight Volume, On-Time Performance, Cancellations)

Flight Volume and Growth Trends

In December 2025, Houston's George Bush Intercontinental Airport (IAH) recorded a total of 24,970 departing flights. This represents a significant year-over-year increase of +40.40%, reflecting a robust recovery in air travel demand. The airport's performance highlights its growing importance as a major hub in the United States. The increase in flight volume can be attributed to expanded airline operations and heightened passenger demand during the holiday season.

On-Time Performance Analysis

IAH achieved an on-time departure rate of 71.27% in December 2025, marking an improvement of +3.21% compared to the same period last year. This represents a positive change of +2.22 percentage points in punctuality. The airport's operational efficiency during peak travel periods contributed to this improvement, although weather disruptions and air traffic congestion remained challenges. Airlines operating at IAH implemented enhanced scheduling and resource allocation to maintain on-time performance.

Cancellations and Operational Stability

In December 2025, IAH reported 280 flight cancellations, reflecting a year-over-year increase of +23.89%. While the cancellation rate rose, it remained within manageable levels given the high volume of holiday travel. Factors contributing to cancellations included adverse weather conditions and operational constraints. Despite these challenges, the airport maintained overall stability, ensuring minimal disruption to passenger itineraries.

Overall Assessment and Outlook

Houston's IAH demonstrated strong operational performance in December 2025, with significant growth in flight volume and improved on-time departure rates. The airport's ability to handle increased passenger traffic during the holiday season underscores its strategic importance in the aviation network. Looking ahead, IAH is expected to continue its upward trajectory, supported by infrastructure investments and enhanced airline partnerships. The focus on operational efficiency and passenger experience will remain key priorities.

Travel Recommendations and Passenger Tips

Passengers traveling through IAH in the future are encouraged to plan ahead, especially during peak travel periods. Utilizing tools like the NextFly App can enhance the travel experience by providing real-time updates on flight schedules, boarding gate information, and baggage carousel details. The app also offers features such as live flight radar, airport weather updates, and delay alerts, ensuring passengers stay informed throughout their journey. Travelers are advised to arrive early, stay updated on weather conditions, and take advantage of IAH's amenities to ensure a smooth and enjoyable trip.