You must have filed over 2 weeks ago. Turbo Tax only gives you an estimated date I think 3 weeks out. But the IRS is taking longer this year.
If your return was Accepted or mailed then check IRS Where's my refund
https://www.irs.gov/refunds/
When will you get your refund?
https://ttlc.intuit.com/community/refund-status/help/when-will-i-get-my-irs-tax-refund/01/25589
IRS - Questions about Refunds
https://www.irs.gov/refunds/tax-season-refund-frequently-asked-questions
