T'way Air (ICAO: TWB) is a South Korean low-cost carrier that has undergone significant changes since its inception, expanding its network and services.
T'way Air's origins trace back to Hansung Airlines, which was founded in April 2005. After facing financial difficulties and ceasing operations, the airline was reorganized and rebranded as T'way Air in August 2010. In June 2025, Daemyung Sono Group acquired the airline, and a full rebranding to Trinity Airways is anticipated in the first half of 2026, aiming to shed its budget-only image and position itself as a hybrid carrier for global expansion.
The airline's primary operational bases are Seoul–Gimpo International Airport and Seoul–Incheon International Airport. T'way Air operates a fleet of 43 aircraft, primarily consisting of Boeing 737s (including the 737-800 and 737-8 MAX) for short-haul flights and Airbus A330s (A330-300) for medium to long-haul routes. The airline also plans to incorporate Boeing 777-300ER aircraft to support its expansion.
T'way Air maintains an extensive route network, serving 46 destinations across 25 countries. While initially focused on domestic and regional flights within Asia, the airline has significantly expanded its scope to include long-haul international destinations in Europe, North America, and Oceania. Notable long-haul routes include Sydney, Frankfurt, Paris, Rome, Barcelona, Zagreb, and Vancouver. T'way Air is not a member of any major global airline alliance (such as Star Alliance, SkyTeam, or Oneworld), but it has interline and codeshare agreements with select carriers like Virgin Australian Airlines and ITA Airlines to broaden its network. As a low-cost carrier, T'way Air primarily offers Economy Class. For enhanced comfort, they offer "Business Saver" seats with increased width and legroom, some of which may recline into flat beds depending on the aircraft configuration. Additionally, the airline provides a "T'way Plus" subscription program, offering benefits such as free seat selection, waivers for itinerary change fees, and priority services at major airports. Complimentary in-flight meals are provided on long-haul routes for all classes.
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