We don't have a lot of sample. Data might be biased.
Charting service is unavailable in China. Download raw data and use Excel to visualize.
Note the difference between calendar days and business days.
According to independent research, visa category do not have obvious relationship with processing time.
Most recent clearance issued 2020-05-04
Newest application cleared 2020-03-16
Avg wait business days (not including US holiday) 21 weekdays
Processing edge 2020-05-07
|Visa type||Avg wait time||Reported applicants||Cleared applications||Clearance ratio||Most recent clearance issued||Newest application cleared|