Every applicant, and every case, is unique. These results should not be used to predict the outcome of your case. With this in mind, here are the facts & figures for others who have gone through the PA pardon process, and how they fared.
Source: Pennsylvania Board of Pardons (https://www.bop.pa.gov/Statistics/Pages/Statistics-by-Year.aspx#.Vu9I6PkrLcs)
*Note: As of April 22, 2020, the average pardon application process takes 3.17 years from application acceptance to decision (Source: https://www.bop.pa.gov/news-references/Documents/plse_report.pdf)