After you file

If you think you might have efiled it, you can check with this tool.
<a rel="nofollow" target="_blank" href="https://shop.turbotax.intuit.com/efile/efile_status_lookup.jsp">https://shop.turbotax.intuit.com/efi...>

But since it says "ready to mail" in your account, you likely did not successfully efile.