A new plane is changing how airlines think about long-haul flights. Here's everywhere you can fly on the Airbus A321XLR.

Guetst touring a United Airlines Airbus A321XLR at an August unveiling event. Michael Nagle/Bloomberg via Getty Images The Airbus A321XLR has helped unlock new destinations for airlines, especially transatlantic ones. United Airlines and American Airlines announced a host of new routes that are…