YOU SAID:
My package is going to be delivered today.
INTO JAPANESE
私のパッケージは今日配信する予定です。
BACK INTO ENGLISH
My package is scheduled to be delivered today.
INTO JAPANESE
私のパッケージは、今日配信される予定です。
BACK INTO ENGLISH
My package is scheduled to be delivered today.
That didn't even make that much sense in English.