British Airways Ltd is the flag carrier airline of the United Kingdom and one of the largest airlines in the world. Founded in 1974, it operates flights to over 180 destinations across more than 70 countries. The airline is headquartered in London and is a member of the IATA and Oneworld alliance. The airline's fleet consists of a mix of Boeing and Airbus aircraft, providing both short-haul and long-haul services. British Airways is known for its premium services, including business and first-class options, as well as its frequent flyer program, Avios.