If the volume is the source of a flash copy then the delete should wait for the flash copy to complete and then delete the volume.
If the volume is just a target of a of a flash copy the driver could stop the flash copy and delete the volume.
If the volume is the source of a flash copy then the delete should wait for the flash copy to complete and then delete the volume.
If the volume is just a target of a of a flash copy the driver could stop the flash copy and delete the volume.