https://www.goodreads.com/topic/show/23036944-travelocity-flight-what-is-the-cheapest-day-to-book-on-travelocity
https://patch.com/new-york/new-york-city/calendar/event/20250214/8f3ab6cb-86ca-4cff-a855-ec55953bae83/cheap-tickets-what-is-the-cheapest-day-to-buy-frontier-tickets
https://patch.com/new-york/new-york-city/calendar/event/20250214/266ac790-348b-42bd-990e-4769ed153e83/-what-is-the-cheapest-day-to-buy--tickets