https://community.lumivero.com/s/question/0D5Jw00000eTAjwKAG/usa-travel-guidewhat-day-of-the-week-are-american-flights-cheapest
https://community.lumivero.com/s/question/0D5Jw00000eTAjwKAG/usa-travel-guidewhat-day-of-the-week-are-american-flights-cheapest