2022-08-19: walked in and found an appointment is needed at the USPS
2022-08-20: interview and mailing at a the USPS
2022-08-22: package delivered to the state department.
2022-08-25: "The U.S. Department of State has received your application for your passport book on 08/25/2022"
2022-09-30: Passport sent out from Arkansas Passport Center HOT SPRINGS NATIONAL PARK, AR 71913 via priority mail (Friday). Passport status was still "in Process"
2022-10-03: Passport delivered. (Monday). Passport status changed to "Approved"
Total time from the post office interview to passport receipt: 44 days.