- Airlines of North America
- Airlines of Central America
- Airlines of South America
Asia:
- Airlines of the Middle East, India and Pakistan
- Airlines of China, Korea, Mongolia and Japan
- Airlines of South-East Asia
Europe:
- Airlines of Scandinavia and the Baltic States
- Airlines of Germany, Austria and Eastern Europe
- Airlines of Italy, the Balkan countries, Greece and Turkey
- Airlines of Spain, France, Switzerland and the Benelux countries
- Airlines of the United Kingdom, Ireland and Iceland
Russia and CIS Countries:
- Airlines of Russia
- Airlines of Ukraine, Kazakhstan and other CIS countries
Africa:
- Airlines of Africa
Australia and Oceania:
- Airlines of Australia and Oceania
Defunct Airlines
Americas:
All Airlines by Country
World's Largest Airlines
| Delta Air Lines
Country: USA World's largest airline ranked by traffic and carried passenger number, scheduled services from its huge Atlanta hub |
| United Airlines
Country: USA Second largest airline of the world, regular domestic and international services |
| American Airlines
Country: USA Third major airline in America and in the world, domestic services in the USA and wide international operations |
| Air France - KLM
Country: France - Netherlands European airline group is ranked as the largest in Europe, global scheduled services via Amsterdam and Paris hubs |
| Southwest Airlines
Country: USA World's largest budget airline, widest route network in the United States |
| SkyWest Airlines
Country: USA World's largest regional airline, extended feeder services to the U.S. major airlines networks |
| Thomson Airways
Country: United Kingdom World's largest charter airline, passenger international services to holiday destinations from UK and continental Europe |
| British Airways
Country: United Kingdom Largest airline of the Great Britain, short and long-range operations from its London bases |
| Lufthansa
Country: Germany Largest airline of Germany, global scheduled services via Frankfurt and Munich hubs |
| Japan Airlines
Country: Japan Largest airline of Asia, mostly long-range operations from Tokyo |
