What is JotForm?
JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
At JotForm, we want to make sure that you’re getting the online form builder help that you need. Our friendly customer support team is available 24/7.
We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.
I did check your form and I am not able to replicate the issue you are having. I submitted your form and it was redirected to PayPal checkout page. Please check the screenshot below:
Your form seems to work as expected. I would suggest you to test it once again and get back to us if the issue persists.