Genesis 22:4 - Matthew Poole's English Annotations on the Holy Bible

Probably on the beginning of the third day. It is true, Moriah was not three days journey from Beer-sheba. But it must be considered that the ass, upon which he rode, is a dull and slow creature, and that Abraham went no faster than the rest of his company, who, for aught appears, were on foot; and that the provisions which they carried along with them, both for their own and the ass's subsistence, and for sacrifice, must needs retard them.