International Airlines Group (IAG) is a global airline company that operates various renowned airlines, including British Airways, Iberia, Aer Lingus, and Vueling. It was formed through a merger in 2011 and is headquartered in London, United Kingdom. IAG is owned by its shareholders and has established itself as one of the largest airline groups in the world. With a strong presence in both the European and transatlantic markets, IAG connects passengers to numerous destinations across the globe.