Boeing 767-300ER - United Airlines
United Airlines was the first airline to sign for the 767 when it ordered thirty aircraft in 1978. United flew the first commercial service with the 767-200 on 8 September 1982 on its Chicago to Denver service.
The airline acquired both the 767-200 and the 767-300, but the 767-200s are no longer in service. Of the 767-300ER United Airlines flies around fity. The first aircraft of this version were delivered to United in 1991.
The picture above shows a 767-300 in the former Continental Airlines livery approaching Amsterdam Schiphol Airport. The pictures below show 767's in earlier liveries and an aircraft painted in Star Alliance colours.