Did you check your e-file status within the program?  When you don't check your e-file status through the program it will remain as pending because the program cannot update through the email.  See the following to check e-file status for Online and CD/Download.

How do I check my e-file status?

https://ttlc.intuit.com/turbotax-support/en-us/help-article/electronic-filing/check-e-file-status/L9...