I usually update my iDevices as soon as the update is out, but this time around I'm going to let automatic updates do its thing. I'm curious to see how long it

I usually update my iDevices as soon as the update is out, but this time around I'm going to let automatic updates do its thing. I'm curious to see how long it actually takes for updates to be automatically installed. I assume the vast majority of people aren't keeping track of the latest iOS news.