The airline industry, such as JEJU Air, a sector teeming with complexity and continual adjustments, necessitates airlines to juggle various elements concurrently. Flight scheduling, aircraft maintenance, customer service, and safety protocols are a mere tip of the iceberg. Succeeding in this evolving and high-pressure environment requires airlines to leverage modern strategies and technologies effectively. One such technology that is now central to airline operations is the Enterprise Resource Planning (ERP) system. This article aims to highlight the unique ERP requirements of the airline industry, the operational challenges it faces, and how a diligent implementation of an ERP system can provide practical solutions.