When I get shipped eggs, I do this.......
Unwrap them and set them narrow end down in an egg carton. Put them out of the way to "rest". The following morning after arrival I set the eggs in the incubator. I have a turner so I just keep them as they were in the carton. I try to set them as close to 7 am as possible. This helps me to keep track of "days" and I have a better idea of hatch time since they are all set the same way.
"resting" the eggs allows the air sac, if it came loose, to settle in one place. Since I started using the turner, my hatches have been way better for two reasons, 1. the humidity and temp stay more consistant and 2. I don't have to remember wich way I turned them last!