https://supportcommunity.milestonesys.com/s/question/0D5bH00000ZGaczSAD/aawhat-is-the-cheapest-day-to-book-flights-on-american-airlinestravelhttps://supportcommunity.milestonesys.com/s/question/0D5bH00000ZGaczSAD/aawhat-is-the-cheapest-day-to-book-flights-on-american-airlinestravel