N512EA flew for Eastern from 1983 to 1991 when it collapsed. It then flew for USAir from 1992 to 2006. As of 2009 the aircraft has been stored.
N707TW flew for TWA from 1997 to it's merger in 2001, it was then operated by American until 2007 when the removed all the TWA 757s from their fleet since they used the PW engines. Since 2007 N707TW has been operated by Delta, making this aircraft 23 years old as of 2020