No one can know but the IRS. The IRS says most people who efile and choose direct deposit will get their refunds within 21 days. But processing can be delayed for a number of reasons. I'll tell you how to check on it below.
First, it's important to figure out if your return was successfully filed.
Did you efile, and if so, was your efiled return accepted? You can check the efile status at the Tax Home of your Online TurboTax.
If accepted (or if you chose to file by mail), you can use the IRS "Where's My Refund" tool to check on the Federal return's refund status.
https://www.irs.gov/wheres-my-refund
If you filed a state return, after confirming your efiled state return (if applicable) was accepted, here's how to track it:
FAQ: How do I track my state refund?
https://ttlc.intuit.com/community/refund-status/help/how-do-i-track-my-state-refund/00/25571