When a creator is building their project on Kickstarter, they are required to set an estimated delivery date for when they hope to start shipping rewards. This date is an estimate, and should not be taken as a guarantee. Remember, you are not purchasing an item when you decide to pledge towards a project on Kickstarter — you're helping to create something new.
Many projects on Kickstarter are in the early stages of development, which means as a backer you get to be a part of the creative process. It also means that a project can shift along the way, and unanticipated challenges may arise that delay their timeline. This may be just a few weeks, but it is not uncommon for delays to go over 6 months.
Typically, a creator is running a project from beginning to end all by themselves, or with just a small team. Our biggest expectation of creators, especially when a project is delayed, is that they communicate with backers through regular updates or messages, however each creator will approach customer service differently.
It’s also possible that a creator is feeling overwhelmed and in these instances we ask that you are supportive and understanding, and avoid sending anything unkind. Remember, there is a human being behind every project.
You can check this blog post for more information on communicating with project creators.