The World’s Longest Embraer E175 Flight? United Airlines Will Resume Service Between Washington Dulles & Bozeman

United Airlines is returning seasonal service between its hub at Washington Dulles International Airport (IAD) and Bozeman Yellowstone International Airport (BZN) in Montana this month. The route, operated by an Embraer E175 regional jet, covers more than 1,770 average miles among the longest for the aircraft type.