To calculate day-to-day common prices, KAYAK requires all prices for every single day in advance of departure throughout the last calendar year for first class flights to Sydney, gets rid of the highest 0.1% to account for outliers, and afterwards usually takes the normal of all of the values for https://infopagex.com/story3926030/the-fact-about-best-fares-to-copyright-business-class-that-no-one-is-suggesting