An international airline experiencing declining customer satisfaction due to aircraft delays and baggage handling mistakes can use Six Sigma methodology to identify root causes, reduce process variations, and improve operational efficiency. As a Master Black Belt, the Six Sigma project would be initiated by applying the DMAIC (Define, Measure, Analyze, Improve, Control) framework, which provides a structured approach for continuous improvement. The first step would be the Define phase, where the problem, project objectives, customer expectations, and scope would be clearly identified. The Voice of the Customer (VOC) would be collected through customer feedback, complaints, surveys, and satisfaction ratings to understand critical service requirements. The project charter would be prepared, defining the business problem, goals, project timeline, team members, and expected benefits. The key objective would be to reduce flight delays and baggage errors while improving overall passenger satisfaction at the primary hub. A cross-functional Six Sigma team involving airport operations staff, flight crews, baggage handlers, maintenance teams, and customer service representatives would be formed. In the Measure phase, relevant data would be collected to establish the current performance level of airline operations. Key Performance Indicators (KPIs) such as average delay time, percentage of delayed flights, baggage mishandling rate, baggage delivery time, customer complaints, and passenger satisfaction scores would be measured. Data collection methods would include operational records, tracking