It is good to have Email Delivery status in schedule report. Curretly it is available under Email Trace and Track tab which has limitation of showing complete infomation.
Data Protection rule provide infomaiton that email has been sent/recevied but doesn't confirm delivered or falied. Request to add Delivery status column also with in this report.
Symantec.Cloud Case Reference 12750959
Regards,
Ajeet Kumar