As long as your return has been transmitted to the IRS before 11:59 PM tonight, the return is considered filed on time. Please see the below TurboTax FAQ for more information on how you can prove you e-filed before the deadline:
https://ttlc.intuit.com/replies/3301167
**Say "Thanks" by clicking the thumb icon in a post
**Mark the post that answers your question by clicking on "Mark as Best Answer"