Yes, it’s normal for them. I ordered a Camino when it was ‘riding in 5 days’. When I got a third email postponing to the fourth week after order, I was in a bit of a bind cos I really wanted it for a certain date. So I phoned them to explain. They said it was limited by the time to build the wheels, but offered to do their best and get back to me. They never got back to me, but I chased them every day like a looser, and they got the bike built on time.
Overall I was happy, but original estimate and communication could be better.
Propain are another company who offer customisations of their stock builds, who offer a fast delivery, and they have a considerable delay. Their communication was even worse though, taking many days to respond to an email. I love the bike, but it was a sour taste to start the experience.