https://www.goodreads.com/topic/show/23041682-reduced-fares-what-day-of-the-week-is-cheapest-to-fly-on-southwest-airli
https://www.goodreads.com/topic/show/23041682-reduced-fares-what-day-of-the-week-is-cheapest-to-fly-on-southwest-airli
https://www.goodreads.com/topic/show/23041682-reduced-fares-what-day-of-the-week-is-cheapest-to-fly-on-southwest-airli
https://www.goodreads.com/topic/show/23041682-reduced-fares-what-day-of-the-week-is-cheapest-to-fly-on-southwest-airli
