Has an AFL game ever ended 89-39?
Exactly once. On May 27, 1911, Carlton beat Richmond 89-39, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 89-39 in league history.
That makes 89-39 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 90-39 has happened never and 89-40 has happened 2 times.