The JR East station consists of two platforms serving four tracks, with cross-platform interchange in the direction of travel between the Yamanote line (tracks 2 and 3) and the Keihin-Tōhoku line (tracks 1 and 4).
The Tokyo Monorail platforms are located to the west of the JR station in a separate elevated structure. Two side platforms serve a single track, with one platform used for boarding passengers, and the other platform used for alighting passengers.
Japan's domestic airlines (JAL, ANA, Skymark Airlines, and Air Do) operate check in services for domestic flights from Haneda airport along with ticketing facilities just outside the main Monorail entrances.
In fiscal 2013, the JR East station was used by an average of 155,784 passengers daily (boarding passengers only), making it the sixteenth-busiest station operated by JR East. Over the same fiscal year, the Tokyo Monorail station was used by an average of 108,080 passengers daily (exiting and entering passengers), making it the busiest station operated by Tokyo Monorail.
The passenger figures for the JR East station (boarding passengers only) for previous years are as shown below.
Daimon Station, served by the Toei Ōedo Line and the Toei Asakusa Line, is within easy walking distance, although some route maps do not mark them as an interchange. The 1-minute walk is fully signed and easy to locate. When arriving on a train from south train cars at the front of the train are closest to the exit to Daimon station.