They have 24 hour access to the run with a couple of outside perches as well. Overall the setup with a second coop and gate dividing the run has worked out very well.
We have been keeping chickens in central Florida for 4 years. Initially I built a 4x4 coop which opened to a 95 square foot run and we've kept 8-10 chickens in that space without issue. Since that time I built a second 6x4 coop and added another 90 square feet of run space. I find this setup...