This is something I search for a lot, and I thought I’d consolidate it for everyone who happens to Google for it. Airline Alliances, with IATA Codes Star Alliance Adria Airways – JP Asiana Airlines – OZ Egyptair – MS Shenzen Airlines – ZH THAI – TG Aegean Airlines – A3 Austrian Airways – OS Ethiopian Airlines – ET Singapore Airlines – SQ Turkish Airlines – TK Air Canada – AC Avianca – AV EVA Air – BR South African – SA United – UA Air China – CA Brussels Airlines – SN LOT Airlines – LO Swiss Airlines – LX US Airways – US (until 3/31/14) Air New Zealand – NZ Copa Airlines – CM Lufthansa – LH TAM Airlines – JJ ANA – NH Croatia Airlines – OU SAS – SK TAP Portugal – TP Oneworld Airberlin – AB Cathay Pacific – CX Japan Airlines – JL Qantas – QF S7 Airlines – S7 American Airlines – AA Finnair – AY LAN – LA Qatar Airways – QR US Airways – US (starting April 2014) British Airways – BA Iberia – IB Malaysia Airlines – MH Royal Jordanian – RJ SriLankan – April 2014 SkyTeam Aeroflot – SU Air France – AF China Southern – CZ KLM – KL TAROM – RO Aerolineas Argentinas – AR Alitalia – AZ Czech Airlines – OK Korean Air – KE Vietnam Airlines – VN Aeromexico – AM China Airlines – CI Delta Air Lines – DL... read more