British Airways (BA) is the UK flag carrier and the biggest airlines in the country. A founding member of the oneworld alliance, the airline flies to more than 180 destinations, including six cities within the United Kingdom, as well airports across Europe, Africa, Asia, North America, South America and Oceania. BA has hubs at London Heathrow Airport (LHR) and Gatwick Airport (LGW). Most short-haul flights operate on aircraft configured with Economy (known as UK Domestic on flights within the United Kingdom and Euro Traveller on flights to other points in Europe) and Business Class (known as Club Europe) cabins. Long-haul flights feature First Class, Business Class (known as Club World), Premium Economy (known as World Traveller Plus) and Economy Class (known as World Traveller) .