The best European airlines: Air France-KLM, Lufthansa, Ryanair, SAS Group, easyJet, British Airways, Air Berlin, etc.

The best North American airlines: Delta Airlines, American Airlines, United Airlines, Southwest Airlines, US Airways, Continental Airlines, Air Canada, etc.

The best Asian airlines: China Southern Airlines, All Nippon Airways Group, China Eastern Airlines, Air China Limited, Cathay Pacific Group, Korean Air, Turkish Airlines, Thai Airways Airlines, etc.

The best African airlines: South African Airways, EgyptAir, Royal Air Maroc, Tunisair, Air Algerie, Kenya Airways, Ethiopian Airlines, etc.

The best Oceania airlines: Qantas, Virgin Blue and Pacific Blue, Air New Zealand Group, Jetstar Airways, Hawaiian Airlines, etc.

The best South American airlines: Tam, Varig, Gol, Aerolineas Argentinas, Lan Airlines, Avianca, etc.