British Airways plc (BA) is the flag carrier of the United Kingdom. It is headquartered in London, England at Waterside, near its main hub at Heathrow Airport.
The airline is the second largest UK-based carrier, based on fleet size and passengers carried, behind easyJet. In January 2011, BA merged with Iberia, creating the International Airlines Group (IAG), a holding company registered in Madrid, Spain. British Airways was the first passenger airline to generate more than US$1 billion on a single air route in a year.
In 1972 a British Airways Board was established by the Government of the United Kingdom to manage the two nationalised airline corporations, British Overseas Airways Corporation and British European Airways, and two regional airlines, Cambrian Airways and Northeast Airlines.