Refunds take about 21 days after the IRS has accepted your e-filed tax return. Please see below for more information.
https://ttlc.intuit.com/community/refund-status/help/when-will-i-get-my-irs-tax-refund/00/25589
If the IRS has accepted your e-filed return and you would like to check the status of your refund please feel free to go directly to https://www.irs.gov/refunds.