https://www.tackleunderground.com/community/topic/94767-what-is-the-cheapest-day-to-book-a-flight-on-united/ youmobs 2 days ago https://www.tackleunderground.com/community/topic/94767-what-is-the-cheapest-day-to-book-a-flight-on-united/ https://www.tackleunderground.com/community/topic/94767-what-is-the-cheapest-day-to-book-a-flight-on-united/ https://www.tackleunderground.com/community/topic/94767-what-is-the-cheapest-day-to-book-a-flight-on-united/ https://www.tackleunderground.com/community/topic/94767-what-is-the-cheapest-day-to-book-a-flight-on-united/ https://www.tackleunderground.com/community/topic/94767-what-is-the-cheapest-day-to-book-a-flight-on-united/ https://www.tackleunderground.com/community/topic/94767-what-is-the-cheapest-day-to-book-a-flight-on-united/ https://www.tackleunderground.com/community/topic/94767-what-is-the-cheapest-day-to-book-a-flight-on-united/