Thai Airways International Public Company Limited (trading as THAI) is the flag carrier airline of
Thailand. This nearly 30 year old national airline is headquartered in Bangkok and centrally operates from hub at Suvarnabhumi Airport in the city. Thai Airways flies to 80 destinations (or 84 including those of its subsidiary, Thai Smile) in 37 countries, and uses a fleet of more than 90 aircraft. Its focus cities are Hong Kong, Chiang Mai, Phuket and Seoul-Incheon. The airline offers scheduled flights to Europe, East Asia, Oceania and South or Southwest Asia. Thai Airways International was the first Asia-Pacific airline to serve London Heathrow Airport and now has one of the largest passenger operations in Europe among all Asia-Pacific carriers. Its frequent-flyer program is called Royal Orchid Plus.
Thai Airways International offers three classes of service- Royal First Class, Royal Silk Class and Economy Class.