Sorry but Ready to Mail means you have to print it out and mail it in yourself. Did you mail it? Turbo Tax doesn't know when the IRS gets your mailed return and the IRS doesn't update Turbo Tax when they approve your refund. Your account will always says Ready to Mail. If you haven't mailed it yet you can try to switch to efile
https://ttlc.intuit.com/questions/2403338-how-do-i-change-from-mail-to-e-file
4 weeks after you mail your return you can start checking with the IRS
https://www.irs.gov/refunds
Sorry but Ready to Mail means you have to print it out and mail it in yourself. Did you mail it? Turbo Tax doesn't know when the IRS gets your mailed return and the IRS doesn't update Turbo Tax when they approve your refund. Your account will always says Ready to Mail. If you haven't mailed it yet you can try to switch to efile
https://ttlc.intuit.com/questions/2403338-how-do-i-change-from-mail-to-e-file
4 weeks after you mail your return you can start checking with the IRS
https://www.irs.gov/refunds