IATA Code: OA ICAO Code: OAL Known As: Olympic Airlines Full Name: Olympic Airlines S.A. Country: Greece Hubs: Athens Callsign: Olympic Web Site: www.olympicairlines.com History: Olympic Airways was founded on April 6th, 1957 as the state-run flag carrier of Greece. In 2003, the Greek government restructured Olympic Airways and its ancillary companies due to heavy losses and high debt load and Olympic Airlines was born.