https://intellij-support.jetbrains.com/hc/en-us/community/posts/21697681470610--855-526-0275-How-long-do-I-have-to-cancel-a-Delta-flight-without-penaltyhttps://intellij-support.jetbrains.com/hc/en-us/community/posts/21697681470610--855-526-0275-How-long-do-I-have-to-cancel-a-Delta-flight-without-penaltyhttps://intellij-support.jetbrains.com/hc/en-us/community/posts/21697681470610--855-526-0275-How-long-do-I-have-to-cancel-a-Delta-flight-without-penaltyhttps://intellij-support.jetbrains.com/hc/en-us/community/posts/21697681470610--855-526-0275-How-long-do-I-have-to-cancel-a-Delta-flight-without-penalty