Turkish Airlines is the national flag carrier of Turkey, founded in 1933 as a state airline and now one of the world's largest carriers by number of destinations. Operating from its primary base at Istanbul Airport, the airline connects passengers to more countries than any other airline in the world, serving over 120 countries across six continents. The airline has undergone significant transformation since the 1980s, expanding aggressively through fleet growth, strategic alliances, and sponsorship deals to build a globally recognized brand. It joined Star Alliance in 2008, further strengthening its international connectivity and code-share partnerships. Turkish Airlines has consistently received high marks for in-flight service, catering, and comfort, earning multiple Skytrax awards. Its catering subsidiary, DO&CO, is renowned for producing premium in-flight meals, and the airline maintains a reputation for offering quality service across both economy and business class cabins.