There is no definitive answer to this question, as the normal waiting time for Pella windows can vary depending on a number of factors. For example, if you order custom windows, the wait time may be longer than if you purchase off-the-shelf windows. Additionally, the production lead time for Pella windows can vary depending on the specific window style and model that you select. Most Pella windows have a lead time of about 2 weeks. However, certain specialty windows may take up to 6-8 weeks.