Some queens are better than others. Some build at amazing rates, some hardly at all. If you got a package 6-7'weeks ago and she has just about filled the brood box she is a great queen. Better have a super with frames ready to add to it. Some nucs, if they are really an established nuc and not a bunch of bees with a brand new queen, will explode when you put them in a full hives. If your package provider produces good queens, let you friends know who he is. The real test of a good queen is how well she survives the winter next year.
Jim