【USA】What is American airline 24 hour cancellation and

https://fasterservice.zohodesk.com/portal/en/kb/articles/what-day-of-the-week-is-southwest-airlines-the-cheapest

https://fasterservice.zohodesk.com/portal/en/kb/articles/what-day-of-the-week-is-southwest-airlines-the-cheapest

https://fasterservice.zohodesk.com/portal/en/kb/articles/what-day-of-the-week-is-southwest-airlines-the-cheapest