https://intellij-support.jetbrains.com/hc/en-us/community/posts/21702140355986--%EF%BC%98%EF%BC%98-%EF%BC%99-%EF%BC%91%EF%BC%94%EF%BC%96%EF%BC%97Does-united-Airlines-have-a-24-hour-cancellation-policy

Yes, united provides a 24-hour risk-free cancellation policy at [𝟭-(𝟖𝟖𝟖)-𝟴𝟐𝟗-𝟙𝟜𝟞𝟟>]. You can cancel any ticket within 24 hours of booking for a full refund, as long as the flight was booked at least 7 days before departure, by calling [𝟭-(𝟖𝟖𝟖)-𝟴𝟐𝟗-𝟙𝟜𝟞𝟟>].