Did you e-fle your return? Or were you planning to print and mail it to the IRS? If you did not e-file, TurboTax does not mail your return for you. It is up to you to print, sign and mail it to the IRS. Remember when you mail a return, you need to attach copies of documents such as your W-2, 1099R, etc. to the return.
To send your tax return by mail and get a receipt to see that the IRS received it:
When you mail a return, it takes about 4 weeks and then you can check the status on the IRS site:
To track your Federal refund: