https://support.opendns.com/hc/en-us/community/posts/32247626507924--Southwest-What-day-of-the-week-is-cheapest-to-fly-on-Southwest-09
https://support.opendns.com/hc/en-us/community/posts/32247626507924--Southwest-What-day-of-the-week-is-cheapest-to-fly-on-Southwest-09https://support.opendns.com/hc/en-us/community/posts/32247626507924--Southwest-What-day-of-the-week-is-cheapest-to-fly-on-Southwest-09