This should be available by setting sorting expression to the grid of Pages. However, it seems that this option doesn't work at the moment. I've logged it as a bug in our system, which we'll make sure to fix as soon as possible. You can track its status and vote for it, following the PITS
. Thank you for bringing this up.
the Telerik team
Do you want to have your say in the Sitefinity development roadmap? Do you want to know when a feature you requested is added or when a bug fixed? Explore the Telerik Public Issue Tracking
system and vote to affect the priority of the items