British Airways is a founding and principal member of the International Airlines Group (IAG). Formed in January 2011 following a merger agreement between British Airways and Iberia, IAG is one of the world's largest airline holding companies. Headquartered in Madrid and incorporated in Spain, the group also includes other major carriers such as Aer Lingus, Vueling, and LEVEL. In addition to its corporate parentage under IAG, British Airways is a key member of the oneworld alliance, a global network that includes partners like American Airlines, Qatar Airways, and Qantas. This dual-layered membership allows British Airways to offer its passengers a massive reach, with seamless connections to over 1,000 destinations worldwide. In 2026, IAG continues to manage British Airways' strategic direction, focusing on fleet modernization and sustainability initiatives like the "Flightpath Net Zero" program, while allowing the airline to maintain its iconic British brand identity and operational independence.