Family Based I-485

[shiva06]

I am filing I-485 next week. When searched USCIS website, it doesnt show any listing of processing times for I-485 family based. and also it doesnt show chicago office
Where i can find processing times for Chicago office I-485 applications (family based)?
Any info is greatly appreciated.
Thank you

[immihelp]

Look at http://www.immihelp.com/timings/processing-timings.html