Czech Airlines j.s.c. (Czech: České aerolinie, a.s.), traing as Czech Airlines (abbreviation: ČSA), is the Czech national airline company based at Ruzyně International Airport, Prague. It operates scheduled services to 69 destinations in 41 countries, including most major European cities and to transit points in the Middle East and North America. It also operates charter and cargo services. In 2006 it carried over 5 and half million passengers. In 2007 Czech carried over 5.6 million passengers. The airline runs a frequent flyer programme called "OK Plus". It is a member of the SkyTeam alliance.