Has an AFL game ever ended 43-24?
Exactly once. On September 19, 1914, Sydney beat Carlton 43-24, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 43-24 in league history.
That makes 43-24 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 44-24 has happened never and 43-25 has happened 1 times.