https://central.xero.com/s/question/0D58V00009SkAGXSA3/usa-what-is-the-cheapest-day-of-the-week-to-fly-on-united-18018555905https://central.xero.com/s/question/0D58V00009SkAGXSA3/usa-what-is-the-cheapest-day-of-the-week-to-fly-on-united-18018555905https://central.xero.com/s/question/0D58V00009SkAGXSA3/usa-what-is-the-cheapest-day-of-the-week-to-fly-on-united-18018555905https://central.xero.com/s/question/0D58V00009SkAGXSA3/usa-what-is-the-cheapest-day-of-the-week-to-fly-on-united-18018555905https://central.xero.com/s/question/0D58V00009SkAGXSA3/usa-what-is-the-cheapest-day-of-the-week-to-fly-on-united-18018555905https://central.xero.com/s/question/0D58V00009SkAGXSA3/usa-what-is-the-cheapest-day-of-the-week-to-fly-on-united-18018555905https://central.xero.com/s/question/0D58V00009SkAGXSA3/usa-what-is-the-cheapest-day-of-the-week-to-fly-on-united-18018555905https://central.xero.com/s/question/0D58V00009SkAGXSA3/usa-what-is-the-cheapest-day-of-the-week-to-fly-on-united-18018555905https://central.xero.com/s/question/0D58V00009SkAGXSA3/usa-what-is-the-cheapest-day-of-the-week-to-fly-on-united-18018555905V