For MK, the stop order is usually BW, Swan, Dolphin. It may be Swan, Dolphin, YC, BC, BW very early (more than 1 hour before opening) or very late (after the MK is almost empty of guests)
For DTD, the stop order is almost always Swan, Dolphin, YC, BC, BW.
For AK, drop off order is usually Swan, Dolphin, YC, BC, BW. Pickup order is usually BW, Swan, Dolphin from 1 hour before park opening until 11 a.m., and Swan, Dolphin, YC, BC, BW at other times of day.
In case of crowds or in some other situations, some buses may start at a different resort or run in a different order.
There are no buses to DHS or Epcot, only boats.