https://www.devex.com/people/lowcostaaflights-what-day-is-cheapest-to-book-american-airlines-2387161https://www.devex.com/people/lowcostaaflights-what-day-is-cheapest-to-book-american-airlines-2387161https://www.devex.com/people/lowcostaaflights-what-day-is-cheapest-to-book-american-airlines-2387161
