USPS Priority Mail delivery time from Burlington North Carolina to Arlington North Carolina US

Parcel was shipped via Priority Mail from Burlington North Carolina on the 7 Sep 2017 and delivered to the destination address in Arlington North Carolina on the 18 Sep 2017 which took about 11 days. That is way too slow and long journey despite both location is within the same states domestic delivery .Below is the tracking info from USPS post office.

USPS Post Office Tracking Number: 9405510200793510906721

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DATE & TIME STATUS OF ITEM LOCATION
September 21, 2017, 3:16 pm Delivered, Garage or Other Location at Address BURLINGTON, NC 27215
Your item was delivered to the garage or an alternate location at the address at 3:16 pm on September 21, 2017 in BURLINGTON, NC 27215.
September 18, 2017, 8:25 am Out for Delivery ARLINGTON, VA 22201
September 18, 2017, 8:15 am Sorting Complete ARLINGTON, VA 22201
September 18, 2017, 8:08 am Arrived at Post Office ARLINGTON, VA 22201
September 16, 2017, 3:33 pm Forwarded ARLINGTON, VA
September 15, 2017 Redelivery Scheduled ARLINGTON, VA 22203
September 11, 2017, 1:25 pm Unable to deliver item, problem with address ARLINGTON, VA 22203
September 11, 2017, 8:53 am Out for Delivery ARLINGTON, VA 22203
September 11, 2017, 8:43 am Sorting Complete ARLINGTON, VA 22203
September 11, 2017, 5:57 am Arrived at Post Office ARLINGTON, VA 22201
September 10, 2017, 6:44 pm Arrived at USPS Facility ARLINGTON, VA 22201
September 10, 2017, 9:51 am In Transit to Destination
September 9, 2017, 6:35 am Arrived at USPS Regional Facility MERRIFIELD VA DISTRIBUTION CENTER
September 9, 2017, 5:30 am Departed USPS Regional Facility DULLES VA DISTRIBUTION CENTER
September 8, 2017, 8:43 pm Arrived at USPS Regional Facility DULLES VA DISTRIBUTION CENTER
September 8, 2017, 7:47 pm Departed USPS Regional Facility MERRIFIELD VA DISTRIBUTION CENTER
September 8, 2017, 3:54 pm Arrived at USPS Regional Facility MERRIFIELD VA DISTRIBUTION CENTER
September 8, 2017, 2:54 pm Departed USPS Facility HYATTSVILLE, MD 20785
September 8, 2017, 10:44 am Arrived at USPS Facility HYATTSVILLE, MD 20785
September 8, 2017, 3:22 am Departed USPS Regional Facility GREENSBORO NC DISTRIBUTION CENTER
September 7, 2017, 10:12 pm Arrived at USPS Regional Origin Facility GREENSBORO NC DISTRIBUTION CENTER
September 7, 2017, 8:57 pm Accepted at USPS Origin Facility BURLINGTON, NC 27215
September 7, 2017, 3:00 pm Shipping Label Created, USPS Awaiting Item