Yes, I would miss Saturday delivery. We have two post offices in this city of 84,000 people and they're are crowded every time I go, both of them and no parking spaces to be found. Usually have to park in the grocery store parking lot next door.
Don't know what post office you're driving by, but are you sure you're driving by when it's open?
It's in a little community called Dobin, TX which might have a sprawling population of 60 or so. As for you other question, I've been around long enough to know postal hours.
Do you think your small community should have no post office?
Yep, there are 3 other offices 8 -15 miles away. And in my rural area a 15 mile drive ain't squat. My carrier drives 18 miles to deliver my mail and she drives by that same post office every day she delivers.