Swiss, officially Swiss International Air Lines and branded SWISS, is the national airline of Switzerland. It began flying on 31 March 2002, after Swissair stopped flying, and was built on Crossair, Swissair's former regional subsidiary. It is a separate company from Swissair. SWISS is headquartered in Kloten, next to Zurich Airport, is part of the Lufthansa Group and has been a Star Alliance member since 2006.
Its hub is Zurich Airport, and it also flies from Geneva. In summer 2026 its timetable covered 112 destinations, with flights across Europe and long-haul routes to North and South America, Africa, the Middle East and Asia. Edelweiss, its sister leisure airline, flies holiday routes from Zurich.
The fleet of about 92 aircraft combines Airbus A220 and A320-family jets for Europe with Airbus A330, A340, A350 and Boeing 777 widebodies for long-haul flights.