Thai Airways International plc is the flag carrier airline of Thailand. Formed in 1961, the airline has its corporate headquarters in Vibhavadi Rangsit Road, Chatuchak district, Bangkok, and primarily operates from Suvarnabhumi Airport. THAI is a founding member of the Star Alliance. The airline is the second-largest shareholder of the low-cost carrier Nok Air with a 15.94 per cent stake (2020), and it launched a regional carrier under the name Thai Smile in the middle of 2012 using new Airbus A320 aircraft. In 2023, it was announced that Thai Smile would be merged back into Thai Airways. Operating from its primary hub at Bangkok's Suvarnabhumi Airport, the airline currently serves 51 international and 10 domestic destinations using a fleet of 71 aircraft consisting of wide-body and narrow-body aircraft from both Boeing and Airbus. Currently Thai's route network is dominated by flights to cities in Europe, Asia and Oceania flying to 27 countries as of November 2023. Thai was the first Asia-Pacific airline to serve Heathrow Airport. Among Asia-Pacific carriers, the company has one of the largest passenger operations in Europe. Wikipedia