Department of the Air Force releases staff sergeant/21E5 promotion cycle statistics Published Aug. 24, 2021 By Staff Sgt. Kiana Pearson Air Force’s Personnel Center Public Affairs JOINT BASE SAN ANTONIO-RANDOLPH, Texas -- Department of the Air Force officials select 15,660 Air Force senior airmen for promotion to staff sergeant out of 44,663 eligible for a selection rate of 35.06% in the 21E5 promotion cycle, which includes supplemental promotion opportunities. The average overall score for those selected was 345.35. Selectees’ average time in grade was 1.73 years and time in service was 4.24 years The staff sergeant promotion list is available on the Enlisted Promotions page of the Air Force’s Personnel Center website, the Air Force Portal and myPers. Members can access their score notices on the virtual Military Personnel Flight via the AFPC secure applications page. For more information about Air Force personnel programs, visit the AFPC public website.