https://www.techradar.com/news/iphone-xs-iphone-xs-max-and-apple-watch-4-are-all-out-today

Today is the big day - you will soon be getting your iPhone XS, iPhone XS Max or Apple Watch 4 if you've already pre-ordered, plus you'll now be able to buy them from your local Apple store.

If you've already pre-ordered your phone, you should find it'll arrive later today. Some have found their pre-orders have been delayed until September 24, but if that's the case you'll have been notified by now.