It's funny you should say that, an I wasn't going to post this because it sounds like wild speculation;
I have a friend on Google+ who does indeed work for TNT and in no way is interested in iPhones. Her Google+ status a couple of hours ago, and I'm paraphrasing here to avoid identification, "come on iPhones!" I haven't talked to her in years but asked of she knew if TNT were doing the deliveries and her colleague replied with "maybe"
I'm 90% sure now our iPhones are at various TNT depots across the UK, and they're being told to wait until tomorrow/Friday to complete delivery. I know you're probably rolling your eyes right now but her status made it seem that they had just received a huge delivery to sort. Not only that, before her colleague replied, she deleted her initial reply to my question about TNT.
How would that work though, as you can still cancel orders?