United to replace Boeing 757s with 50 Airbus A321XLRs
United Airlines has ordered 50 Airbus A321XLRs to replace its Boeing 757 fleet. The 50‑aircraft purchase marks a shift toward ultra‑long‑range narrowbodies for routes served by 757s and will influence United's long‑term fleet planning, route economics and capacity on thin long‑haul markets.