There is one weekend in May (24-26 in Utah, and two shows in Calgary) where neither he nor John Cena are scheduled for the shows. The following are advertised for that weekend:
R-Truth (Utah show only)
Big E. Langston (Utah show only)
Team Hell No (Canadian shows only)
Kofi Kingston (July 26th show only)
During the same weekend, Randy Orton is off the Smackdown shows scheduled for Alberta and Saskatchewan.