United Airlines’ Oldest Active Jet Is 35 Years Old: Here’s Where It’s Still Flying

United Airlines has a large and diverse mainline fleet that reflects the varied reach of its route network. According to fleet data from Planespotters.net, its oldest active aircraft at the time of writing is N641UA, a 35.4-year-old Boeing 767-300ER that first flew in 1991. Despite its old age, the jet has remained busy of late, serving several different long-haul routes.