Once the returns are accepted for PROCESSING the refunds are released when the returns have finished being processed according to the taxing authorities time lines and dispersed as you requested.
If accepted by the IRS use the federal tax refund website to check the refund status - https://www.irs.gov/refunds
If accepted by the state use this TurboTax support FAQ to check the state tax refund status - https://ttlc.intuit.com/questions/1899433-how-do-i-track-my-state-refund
