Delta Air Lines, based in the United States and headquartered located in Atlanta.Delta Air Lines serves more than 160 million customers each year. Delta & the Delta Connection carriers fly to more than 350 destinations in 70 countries on six continents..

British Airways is a full service global airline of the United Kingdom, based in Waterside, its main hub at London Heathrow Airport. British Airways serves 169 destinations.

Emirates presently fly to over 100 destinations in 66 countries around the world. More than 1,000 Emirates flights depart Dubai each week on their way to destinations on six continents.

Cathay Pacific is a Hong Kong based airlines, head office & main hub located at Hong Kong International Airport.Cathay Pacific operates 115 destinations in 36 countries and territories on five continents.

Qatar Airways is one of the fastest growing and most highly acclaimed airlines in the world from its base in Doha.Qatar Airways serves 101 destinations and Qatar Airways Cargo serves 19 destinations in 55 countries across Africa, Asia, Europe, North America, South America, and Oceania from its hub at Doha International Airport.

Singapore Airlines serves 62 destinations in 35 countries on six continents from its primary hub in Singapore.

Thai Airways International is one of the largest airline of Thailand.It's headquarters are located in Bangkok.Thai Airways flies to 72 destinations in 35 countries, using a fleet of 96 aircraft.

Asiana Airlines Inc. (formerly Seoul Airlines) is one of the best South Korea's airlines. Asiana Airlines operates Domestic: 12 cities, 14 routes, International Passenger: 22 countries, 68 cities, 87 routes, International Cargo:13 countries, 23 cities, 20 routes.