A trip created in error can be deleted. When a trip is deleted it can no longer be retrieved or viewed. Therefore, it is recommended to set that trip to Inactive. Trips made Inactive are removed from the Calendar and Scheduling Board.
You can find more on how to Cancel a trip here.
To delete a trip click on the Delete button located along the the top right menu options.
Note: In order to successfully delete a trip ensure all flight logs and expenses have been removed from flight legs.