Abstract
Airlines are companies and their aim is to operate routes and carry passengers. We will not analyse the cargo part of the airlines here but only the passenger carrying. An Airline can be a national company (airline owned by the government of a country). It normally conducts scheduled flights but can sometimes conduct chartered ones. A regional company (airline which only conducts domestic flights between regions of a country).
A public company (airline the main shareholders of which are the public such as national or regional institutions). They can conduct all types of flights.
A private company (established on private investments).
