When Hermione told Draco he had permission for a wand, for one whole minute he bathed at the stability the wand would provide. But as she kept talking on and on about how Perfect Potter had gone out of his way to do him this favor, Malfoy lost it. Of course he didn’t want to be indebted to Potter of all people. But it seemed that the more he wanted to put some bloody distance between them, the more Potter bridged it. So although Hermione had tried to tag along with him, he had Apparated without giving her time to pursue him.