International Consolidated Airlines Group S.A. (IAG.L) Stock Analysis & Winston Score

International Consolidated Airlines Group (IAG) is one of the largest airline groups in the world. It owns several well-known airlines, including British Airways, Iberia, Vueling, and Aer Lingus. These airlines carry millions of passengers and cargo shipments each year, connecting Europe to destinations across North America, Latin America, Asia, and Africa. IAG makes money primarily by selling airline tickets to both leisure and business travelers, along with cargo services and loyalty program partnerships. The group is headquartered in London and Madrid and operates mainly across Europe and the transatlantic corridor, where British Airways holds a strong position at London Heathrow — one of the world's busiest and most slot-constrained airports. Those landing slots are difficult to obtain and act as a meaningful competitive barrier. The key growth driver is continued recovery in long-haul business travel demand, while the main risk is exposure to volatile fuel costs and economic downturns, which can quickly reduce passenger volumes and compress margins.