I've used my pet chicken and chickens for backyards for small orders.
All chicks arrived healthy from each.
I don't know what breeds you're going for, but I will say that all of the "ameraucanas" I ordered from Chickens for Backyards had to be culled because they all contracted a really bad mycoplasma gallisepticum infection that didn't appear to affect (infect) the other birds of the same age that I had from Murray McMurry (same breed). (McMurry doesn't offer small order shipping on day old chicks).
This isn't the hatcheries fault, per se, but the birds simply weren't as resistenat or resilient as I would like. I lost a lot of money because of that, but it could have happened with chicks from anywhere I guess. However, I won't order from them again just to be on the safe side.
I ordered 9 Faverolles from My Pet Chicken and one did die at a few days (no idea why) but all the rest are doing great, so far.