Star Alliance is the world's largest global airline alliance, currently consisting of 26 member airlines that provide a massive network of connections across nearly every country on earth. The founding members include United Airlines, Lufthansa, Air Canada, SAS (Scandinavian Airlines), and Thai Airways. Over the years, the alliance has grown to include other major international carriers such as Singapore Airlines, ANA (All Nippon Airways), Air China, Air India, and Turkish Airlines. European representation is strong with members like Swiss International Air Lines, Austrian Airlines, Brussels Airlines, LOT Polish Airlines, and TAP Air Portugal. In the Americas, alongside United and Air Canada, the alliance includes Avianca and Copa Airlines. Other notable members include Aegean Airlines, Asiana Airlines, EgyptAir, Ethiopian Airlines, Eva Air, Shenzhen Airlines, and South African Airways. For travelers, the main benefit of this alliance is "seamless travel," where you can earn and redeem frequent flyer miles across all member airlines, enjoy reciprocal lounge access for elite members, and benefit from coordinated schedules that make international layovers much easier to navigate through major global hubs.