The Themefolio "Airlines" is a compilation of well-known airlines that are active in air transport worldwide. Names such as Lufthansa, SkyWest, Delta, Aegean and Ryanair are familiar to many travelers. The airlines are characterized by their global reach, their quality of service and their ability to adapt to the dynamic conditions of the travel industry. From full-service carriers like Lufthansa and Delta, known for their extensive networks and high-quality services, to low-cost carriers like Ryanair, which serve millions of travelers through their cost-effective operating models, this overview provides a starting point for further research around this sector.