Gol Transportes Aéreos (G3) is the second largest airline in Brazil. Based in São Paulo, Gol flies to 75 domestic and international destinations across South America, the Caribbean and North America. The airline has hubs at São Paulo–Congonhas Airport (CGH), Rio de Janeiro-Galeão International Airport (GIG) and Brasília International Airport (BSB). Gol's fleet of planes are configured with two cabins: Premium Economy Class (known as Comfort Class) and Economy Class. The airline has codeshare arrangements with Aerolíneas Argentinas and Delta Air Lines.