That begs the question as to whether all of these stops are even made on a typical day. If you're going to bother with the cost of landing an aircraft wouldn't you want to make sure you had someone to pick up or drop off?
With an advance booking requirement (of a few hours) you could easily determine whether you should even put the plane down in ___________ or just skip on ahead to the next one.

Unless of course there's a daily cargo delivery or something...