Shipping times for the iPhone 5s have been slow since the phones release due to supplies being heavily constrained. Apple’s supply seems to finally be catching up with demand though as shipping times are improving worldwide. 

Shipping times on the iPhone 5s have improved great worldwide, as noted by iGen. Following the phone’s launch, supplies were heavily constrained and shipping times lagged. Apple seems to have finally caught up with the demand for its latest smartphone, however, as global shipping times today are down to just one or two weeks.