As this area has a five night stay limit, and there is not much of a “local crowd” utilizing the park, most of the visitors will be traveling in. Your guess will be just that on what is the best day of the week to arrive and same for the time. I would recommend arriving early and be prepared to move sites if there is one you are interested in. Getting to know your neighbors will provide insite on who’s leaving and when.

Since there isn't a designated checkout time, I am not sure early is a huge help, yet you don't want to wait until late in the day. It's more a matter of luck.

There is no way of really knowing. But if you want to have a spot on the rim so you have a fantastic view of the Tetons and the valley, I would go early. If you don't get a good spot and have the time, wait for someone to move the next morning and then move in for a great spot for the 2nd night..

Not sure it's just kind of luck of the draw. We were there in mid September and got their lunch time. After 2 days we could have got a front row seat but did not bother cuz we were only going to stay a couple more. So I hope this helps it is a beautiful spot enjoy