The IRS says that 9 out of 10 tax returns are processed within 21 days. Sometimes it takes longer. There is no way to estimate how much longer it may take. You can try contacting the IRS directly to check on the progress: 800 829-1040
See this IRS Q&A for answers to refund questions: https://www.irs.gov/refunds/tax-season-refund-frequently-asked-questions
