American's new Airbus A321XLR is finally crossing the Atlantic as the long

• American Airlines will fly its brand-new A321XLR between New York and Scotland beginning in March. • The super-range jet flies city pairs too thin for big planes or out of reach for similar-sized ones. • United Airlines will soon welcome its own A321XLR to replace existing Boeing 757 routes.

American Airlines is reviving a type of flying it hasn't done in years: long-haul trips on single-aisle jets.

The carrier took delivery of its first Airbus A321XLR in October — a new narrowbody plane built specifically for long-distance routes.

With an extra fuel tank, the jet can fly about 5,400 miles, or up to 11 hours nonstop, while burning less fuel than previous-generation options.

American will first use the A321XLR on a domestic transcontinental route in December. But its long-haul deb