Southwest Airlines Co. has announced a new interline partnership with Singapore Airlines, enabling seamless single-ticket journeys for travelers between the United States and over 130 destinations worldwide. The announcement was made during the International Air Transport Association (IATA) Annual General Meeting in Rio de Janeiro. The partnership allows international travelers to connect through Singapore Changi Airport to three major U.S. airports served by Southwest: Los Angeles (LAX), Seattle/Tacoma (SEA), and San Francisco (SFO). This collaboration marks the eighth international partnership for Southwest, which aims to enhance customer experiences by offering consistent quality and comfort. Southwest Airlines has recently introduced several improvements, including assigned seating and optional Extra Legroom, to provide a better travel experience. The airline operates at 122 airports across 12 countries, focusing on low-cost, reliable air travel while serving a growing global customer base.