Photostream does not sync when photo taking away from wifi.

iPhone 4s take a photo connected to wifi, photo uploads to photostream.

Photo taken while not on wifi, and then iPhone connects to wifi, photo does not sync.

The only way photos seam to sync consistently is if you are connected to wifi while you take the photo. If you upload the photo using an app like facebook it also seems to screw up photostream.

Turn off photostream, reboot, turn back on photostream, same thing nothing uploads.

The phone was a fresh setup.

Anyone else solve the missing photos taken while off the grid?