Update: All models of the 5.5 inch iPhone 6 Plus are now quoting 3-4 weeks shipping. Apple is still stocking most models of the iPhone 6, however.
Both AT&T and Verizon are quoting three week shipping delays for the Plus, meaning customers buying now won’t get their phones until around the 7th of October. At the time of writing, the iPhone 6 is still available. At Apple’s own store, it seems like the 64 GB iPhone 6 Plus and the 128 GB iPhone 6 Plus is now also unavailable. However, the exact nature of supply is unclear due to the ongoing website issues.
Worldwide, reports show that Germany has already sold out of its initial stock and many UK carrier stores have sold out completely. We’ll update as availability changes. Some customers are reporting issues with iPhone reservations. Apple is saying that it cannot connect to carriers for processing, so although the iPhone is reserved, orders will have to be completed at a later date. Clearly, something is going wrong somewhere.