You get interview first, before any decision.
If you filed this month, you can expect at least 6 months of wait for the entire adjudication.
According to processing times published here:
https://egov.uscis.gov/processing-times/
Chicago is 7.5 months for 80% of cases.
And as a reminder, you will get some wild random estimates in MyProgress inside your account. Do not trust those estimates, they are not accurate. On day of my oath, it showed 3 weeks until decision. I believe @Rhema1 saw 11 months until decision on day of the oath.
Considering your country of origin, your case may take longer.
Good luck!