你这个单号是不完整的，可能应该是这个LJ505311326US
Processed through USPS Sort Facility August 16, 2012, 11:17 am CHICAGO, IL 60666 International Letter
Processed through USPS Sort Facility August 16, 2012, 10:50 am CHICAGO, IL 60688
Depart USPS Sort Facility August 16, 2012, 2:30 am COLUMBUS, OH 43218
Processed through USPS Sort Facility August 15, 2012, 11:35 pm COLUMBUS, OH 43218
Dispatched to Sort Facility August 15, 2012, 5:06 pm COLUMBUS, OH 43205
确实是从columbus,ohio发出的，但是追踪到芝加哥就没有了，也没有离开芝加哥的记录
请对方或者你直接联系usps询问
