Heathrow Airport caters to a diverse range of demographics, including business travellers comprising executives, professionals, and entrepreneurs with high-income profiles, often flying with airlines such as British Airways, Virgin Atlantic, and American Airlines. Tourists from various nationalities, spanning different age groups and income levels, choose Heathrow as their gateway to explore the UK’s landmarks and cities. International students, predominantly younger, hail from around the world, using airlines like Qatar Airways and Emirates to reach renowned universities in the UK. Diaspora communities, consisting of immigrants and expatriates with ties to the UK, represent a mix of ages, income brackets, and nationalities, often flying with airlines that offer routes to their home countries, such as Air India or Turkish Airlines. Transit passengers, encompassing families, solo travellers, and business professionals, use Heathrow as a connecting hub between continents, flying with carriers like Lufthansa, Emirates, and Singapore Airlines to reach their final destinations.