Turkish Airlines in the context of "Star Alliance"

Aydın Çıldır Airport (IATA: CII, ICAO: LTBD) is an airport located southeast of the city of Aydın, in the Aydın Province of Turkey. DHMI has transferred the operation of this airport to Turkish Airlines for 20 years on 20 June 2012 after a public tender. Turkish Airlines Flight Academy has operated a flying school here since June 2013.

Atatürk Airport (IATA: ISL, ICAO: LTBA) is a public airport located in Yeşilköy, Istanbul Province, Turkey. Formerly the primary international airport of Istanbul and the hub of Turkish Airlines, it was closed to commercial passenger flights on 6 April 2019. From that point, all commercial scheduled passenger flights were transferred to the new Istanbul Airport. Since the move of commercial operations to the new airport, Atatürk Airport is open to general aviation and functioning as an executive airport.

AJet (formerly branded as AnadoluJet until 31 March 2024) is a Turkish low-cost airline operating domestic flights as well as international flights to Northern Cyprus, Europe and Western Asia from its base at Sabiha Gökçen International Airport. It was a subsidiary of Turkish Airlines which previously operated it as a trademark before becoming an independent airline.

The largest airline in the world can be measured in several ways. As of 2024, United Airlines was the largest in terms of available seat miles (ASM), revenue seat miles (RPM), mainline fleet size, the number of both mainline employees and destinations served; Delta Air Lines was the most valuable by revenue, assets, market capitalization, and brand value; American Airlines Group carries the most passengers and has the most employees when American Eagle is included; FedEx Express carries the most freight in tonne-kilometers; Southwest Airlines has the greatest number of routes; and Turkish Airlines serves the most countries.