Does the date an exam is marked “Attended” mean AICPA received the exam file that day?

I’m trying to schedule an exam, but the only availability is one day before the cutoff date. I know taking an exam on the cutoff can be risky, but is the day before usually safe?

For my past exams, my portal didn’t show “Attended” until 2 days later, so I’m wondering if that meant the prometric location didn’t send my exam file until then or if the portal is just slow to update?