Airfares are rising almost daily and finding a cheap or discounted airline ticket can be next to impossible. If airlines can control the cost of fuel, they can more accurately estimate budgets and forecast earnings. Shortly after they began service on this route, Delta entered a code-sharing agreement with the Virgin Airlines Group, VAustralia, for international flights, and its sister airline, VirginBlue, for domestic flights within Australia.
An airline with the best discounts usually gets most of the passengers and gets filled quickly which they would always prefer than a half filled plane where only the rich are able to …