Southwest Airlines is a major US airline that has been profitable for 44 consecutive years. It aims to be the world's most loved airline through low fares, outstanding customer service, and fun-loving culture. While it has historically focused on domestic US routes, its future strategy involves international expansion into markets like Canada, Mexico, the Caribbean and Europe. It will seek to maintain its low cost leadership through measures like single aircraft type, point-to-point routes, and fuel hedging, while bringing its unique corporate culture and customer experience to new global markets.