I130 filed:-U will get mail saying your petition is submitted with in 2 weeks.

I130 approved:After 2-3 months u will get mail if approved or need additional evidence.If required additional evidenced it will take another 2-3 months before review and approved

Sent to NVC:3 months before scheduling interview.Need to submit all sponsors stuff through out electronically now days. https://ceac.state.gov/ceac/

Visa interview scheduled:Notifys normally 1 months before interview

Total time -Less then 1 yr.Don’t forget fill enotify form it will notify as soon as any update on your case.