https://central.xero.com/s/question/0D58V00009hMX7MSAW/save-big-on-bookingswhat-day-is-the-cheapest-to-book-american-airlines-budg
https://central.xero.com/s/question/0D58V00009hMX7MSAW/save-big-on-bookingswhat-day-is-the-cheapest-to-book-american-airlines-budg