3/1/2021 - Application mailed to Irving TX via USPS Priority Mail - routine service
3/5/2021 - Application delivered to PO box
3/9/2021 - Application status changes to "in process"
x/xx/2021 - Application status changes to "approved"
x/xx/2021 - USPS reports that the Expected Delivery is by x/xx/2021

Based on recent trends in this thread, it would seem that "approved" might be approximately 4/20.