from an airfield operational point of view
BHD restricted hours
BFS H24
BHD Restrictive Airfield layout, parking, taxiways, short runway,
restricted nav aids
BFS Lots of parking, manouvering on the ground is good, two runways, lots of luverly nav aids
BHD near to town
BFS not quite so near to town
I'm sure there are other differences, not least in the commercial deals available from each set of management.