The IRS is backlogged and is not able to process returns as quickly as they have been able to process them in normal times. They do want your payment and will debit your account when they process your return—it just might not happen on the date you requested. Keep the funds available in your account and watch for the withdrawal.
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**