Services on the Utsunomiya Line are typically divided into three categories: services to or from Ueno, Shōnan–Shinjuku Line services, and Ueno–Tokyo Line services. Between Ueno and Ōmiya, trains share the track with the Takasaki Line, both of which serve as "de facto" express services compared to the parallel Keihin–Tōhoku Line. Northbound services mostly terminate at or , with some at , and very few at . Southbound trains mostly travel through the Shōnan–Shinjuku Line to on the Yokosuka Line, or the Ueno–Tokyo Line to on the Tōkaidō Line, with a few trains terminating at Ueno.