Got my renewed password today, paid extra for expedited service. Timeline as follows:
4/3/2021 - Mailed with Priority 2-Day
4/6/2021 - USPS reported that it was delivered
4/27/2021 - Application Status: In Process
4/28/2021 - Check cashed
5/18/2021 - Application Status: Approved / Shipped (exactly 6 weeks after it was delivered by USPS)
5/20/2021 - Passport showed up in my mailbox