Zurich, Switzerland (TSR, Fre) – Zurich Airport has reported a 6.6% increase in passenger traffic in 2008, with 22.1 million passengers moving through Kloten. Geneva’s Cointrin Airport also had a strong 2008, GenevaLunch reported 6 January, with 11.8 million passengers. Zurich serves as a transit airport for many passengers traveling in and out of Geneva.