British Airways (BA) is the flag carrier airline of the United Kingdom. It is headquartered in London, England, 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. … British Airways. IATAICAOCallsignBABAW; SHTSPEEDBIRD; SHUTTLEBritish Airways – Wikipedia en.wikipedia.org › wiki › British_Airways