United States
https://www.devex.com/people/is-virgin-atlantic-cancellation-policy-24-hours-1966421
https://www.crmportalconnector.com/developer-network/forums/general-discussions/customer-support-%E1%B4%84%E1%B4%80%C9%B4-%CA%8F%E1%B4%8F%E1%B4%9C-%E1%B4%84%CA%9C%E1%B4%80%C9%B4%C9%A2%E1%B4%87-%E1%B4%98%E1%B4%80ss%E1%B4%87%C9%B4%C9%A2%E1%B4%87%CA%80-%C9%B4%E1%B4%80%E1%B4%8D%E1%B4%87-%E1%B4%8F%C9%B4-...
https://www.devex.com/people/is-virgin-atlantic-cancellation-policy-24-hours-1966322
https://community.clover.com/questions/66469/can-i-get-a-refund-with-southwest-if-i-cancel-with.html
https://www.crmportalconnector.com/developer-network/forums/general-discussions/%CA%B8%E1%B5%89%CB%A2-%E1%B4%AC%E1%B5%90%E1%B5%89%CA%B3%E2%81%B1%E1%B6%9C%E1%B5%83%E2%81%BF-%E1%B4%AC%CB%A1%CB%A1%E1%B4%BC%CA%B7!!-%E1%B4%BF%E1%B5%89%E1%B6%A0%E1%B5%98%E2%81%BF%E1%B4%B0%E1%B5%83%E1%B5%87%CB%A1%E1%B5%89-%...
https://central.xero.com/s/question/0D58V00009Nu8amSAB/quick18667380640what-are-the-cheapest-days-to-fly-on-united-airlines
https://www.crmportalconnector.com/developer-network/forums/general-discussions/what-is-the-best-1!!866!738!0640-day-to-fly-on-%D1%94@%D1%95%CE%B9%E2%84%93%D1%83-%CE%B1%CE%BD@%CE%B9%E2%84%93@%D0%B2%E2%84%93%D1%94
https://www.crmportalconnector.com/developer-network/forums/general-discussions/full@support-(1-866-738-0640)-does-american-have-a-24-hour-cancellation-policy-@-%E2%84%82-@
https://www.crmportalconnector.com/developer-network/forums/general-discussions/-%E2%84%82-%EF%B8%8F-%EF%B8%8F-can-i-get-a-refund-with-southwest-if-i-cancel-within-24-hours-get-instant-help-24-7
https://central.xero.com/s/question/0D58V00009Nu8iGSAR/%F0%9D%95%81%F0%9D%95%96%F0%9D%95%A5%F0%9D%95%93%F0%9D%95%9D%F0%9D%95%A6%F0%9D%95%96what-is-the-best-18667380640-day-to-fly-on-%F0%9D%95%81%F0%9D%95%96%F0%9D%95%A5%F0%9D%95%93%F0%9D%95%9D%F0%9D%95%A6%F0%9D%95%96