There are 4 major airline alliances in the world:

1. One World - consists of Aer Lingus, American, British Airways, Cathay Pacific, Finnair, Iberia, Lanchile and Qantas.

(Note: Asia Miles consists of above listed airlines, plus Asiana, China Eastern, Dragonair, Japan Airlines, Japan Asia Airways and Swiss Air Lines, so not regarded as separate airline alliance)

2. Star Alliance - consists of Air Canada, Air New Zealand, All Nippon Airways, Austrian Airlines, British Midland (bmi), Lauda Air, Lufthansa, Mexicana, SAS, Singapore Airlines, Thai, Tyrolean, United, Varig.

3. Skyteam - consists of Aeromexico, Air France, Alitalia, Delta and Korean Air.

4. KLM - Northwest - Continental alliance.

What airline alliance do you like most / least?