How Early do the busses run for character breakfast?

[fuji]

My question is if we have 8:05 ADRs at MK how early do the busses pick up at resort and drop off at parks? Oh yeah we are staying at ASMu. Any info would be great.

 

[dadof2]

I believe they start around 6:45, we have never been late for an 8:00 ADR. We typically always book as early as possible for breakfast.