This paper focuses on the potential uses of Six Sigma Methodology to improve effectiveness and efficiency in the aviation industry. The material, diagrams, statistics, and data in this document were gathered from reliable sources such as publications, journals, and other published works focusing on the Six Sigma Methodology in the improvement of aviation processes. Employee time waste, airline departure times, aircraft maintenance, and customer luggage management are among the operations that will be evaluated.

Keywords : Airlines, Six Sigma, Critical to Quality, Flight Delays.