[1] There are two services per day running in both directions, with the journey time taking approximately 5 hours and 30 minutes.

Okhotsk services are normally formed of 3-car KiHa 283 series diesel multiple unit (DMU) trains, with monoclass passenger accommodation.

[2] From the start of the revised timetable in October 1961, services were upgraded to "Express" status, and were operated using KiHa 56 4-car DMU formations, including a KiRo 26 Green (first class) car.

[2] From the start of the revised timetable on 2 October 1972, services were upgraded to "Limited express" status, and were operated using KiHa 80 series DMU formations.

[9] JR Hokkaido operates seasonal SL Okhotsk services formed of 14 series passenger coaches hauled by a JNR Class C11 steam locomotive and assisted by a JNR Class DE15 diesel locomotive.