https://techcommunity.microsoft.com/idea/azurevirtualdesktop/understanding-what-is-the-cheapest-day-to-buy-flights-on–/4400216
https://techcommunity.microsoft.com/idea/azurevirtualdesktop/%E2%80%8Eunderstanding%E2%84%A2-what-is-the-cheapest-day-to-buy-flights-on-%E1%B4%80%E1%B4%8D%E1%B4%87%CA%80%C9%AA%E1%B4%84%E1%B4%80%C9%B4-%E1%B4%80%C9%AA%CA%80%CA%9F%C9%AA%C9%B4%E1%B4%87%EA%9C%B1/4400216 Website URL: https://techcommunity.microsoft.com/idea/azurevirtualdesktop/understanding-what-is-the-cheapest-day-to-buy-flights-on–/4400216