Seems like it was a US only fleet history that was broken at a time when United was Boeing’s biggest customer.United dropped their “all-Boeing” fleet strategy in 1931 with the introduction of the Ford Tri-Motor. At no point in the jet era has United ever had an all-Boeing fleet.
United Signs Airbus Deal in Blow to Boeing : Airlines: The carrier says it will lease 50 of the European-built planes. Deal is worth an estimated $2.4 billion.
United Airlines said Wednesday that it will lease 50 aircraft from Airbus Industrie, the first time the carrier has done a deal with the European aircraft group.