AAO Processing Times as of December 1, 2016
This link below shows the average amount of time it takes to receive a decision in a particular type of case after the case file is received by the AAO. Processing times are directly related to the volume of cases received.
http://www.immigration.com/processing-times-status-checks/aao-processin…
For immigration need, so far I have got prompt help whenever I ask for. Thank you very much Heather, Mark and Attorney Rajiv.