Boeing 757 operator United Airlines
Operators
The largest 757 operators are Delta Air Lines, FedEx Express and United Airlines; Delta Air Lines is the largest overall, with a 757 fleet of 127 aircraft as of 2018. American Airlines' 757 fleet of 142 aircraft was the largest until 2007, when the carrier retired Pratt & Whitney PW2000-powered models originating from its TWA acquisition to have an all Rolls-Royce RB211-powered 757 fleet. Delta subsequently acquired 17 former TWA/American Airlines 757s, and in October 2008, gained 45 more 757s from its acquisition of Northwest Airlines.The cargo carrier with the most 757s is FedEx Express, which operated a 757-200F fleet of 111 aircraft in July 2018. UPS Airlines operate a further 75 of the type, with DHL Aviation and its affiliated companies, DHL Air UK, DHL Latin America, European Air Transport Leipzig, and Blue Dart Aviation, combined operating 35 cargo 757s of various types in 2018.Joint launch customer British Airways operated the 757-200 for 27 years before retiring the type in November 2010. To celebrate the fleet's retirement, the airline unveiled one of its last three 757-200s in a retro style livery on October 4, 2010, matching the color scheme that it introduced the aircraft into service with in 1983. Subsequently, the type remained in operation with the company's subsidiary, OpenSkies.Over the duration of the program, 1,050 Boeing 757s were built with 1,049 aircraft delivered. The prototype 757 remained with the manufacturer for testing purposes.  In August 2020, a total of 642 Boeing 757 aircraft of all variants were in commercial service with operators Delta Air Lines (127), FedEx Express (107), UPS Airlines (75), United Airlines (72), Icelandair (27) and others with fewer aircraft of the type.
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