Did your returns get accepted? You might want to first check to make sure your returns were accepted (if you e-filed). You can check your e-file status at the following website
https://turbotax.intuit.com/tax-tools/efile-status-lookup/
If your returns are accepted, you can check the status of your Federal refund on the IRS website Where's My Refund. The IRS states that most refunds are issued within 21 days of your return being accepted (if you choose direct deposit).
Where's My Refund
https://www.irs.gov/refunds
Why do some refunds take longer than others?