With our 24-hour booking policy you can make changes to your reservation 888((829]]1467 within 24-hours of buying your ticket without paying a fee. But there are a few rules: You must book your flight at least one week in advance. You must cancel or change your flight within 24 hours of the time you made your reservation. https://community.tableau.com/s/idea/0878b000000ExhLAAS/detail