Saudia, formerly known as Saudi Arabian Airlines, is the flag carrier of Saudi Arabia, based in Jeddah. The airline's main operational base is at King Abdulaziz International Airport in Jeddah. King Khalid International Airport in Riyadh and King Fahd International Airport in Dammam are secondary hubs. It operates domestic and international scheduled flights to over 100 destinations in the Middle East, Africa, Asia, Europe and North America. Domestic and international charter flights are operated, mostly during the Ramadan and the Hajj season. It joined the SkyTeam airline alliance on 29 May 2012 becoming the first Persian Gulf carrier to join one of the three major airline alliances. Saudia is a member and one of the founders of the Arab Air Carriers Organization.