United is debuting an ultra-premium long-haul Airbus jet. It has sliding doors and a walk-up snack bar — see inside.

Source: Business Insider

The new A321XLR will have doors but they can't be used until certified by the FAA. United AirlinesUnited Airlines will debut its highly anticipated Airbus A321XLR this summer. The specially-designed long-haul plane is expected to replace Boeing 757 routes.