After the IRS has issued a check, it could take anywhere from 7 days to 4 weeks. The IRS sends the check as a first-class mail, meaning there's no tracking on the letter. Make sure that the address provided is accurate and up to date.
This is some general information based on previous resolutions. Keep in mind that once your return is accepted for processing by the IRS and/or State TurboTax has no control over the processing of your return and/or release of your refund. If you have any inquiries regarding any delay, you should contact the IRS or your state Department of revenue directly for further assistance.
There is a couple of FAQs to help you track your refund