At that time, in 1964, it was operated between Hirakatashi Station and Yodoyabashi Station at the peak of the morning rush-hour period (during this time slot, the section express arrived at and departed from Korien Station, Kayashima Station or Moriguchishi Station, except for a few trains) and in the route between Yodoyabashi Station and Yawatacho (the trains are stored in Fukakusa Depot), among others, in the evening and later.
1964年当時は朝ラッシュ最ピーク時に枚方市～淀屋橋間で（この時の区間急行は一部を除き香里園・萱島・守口市始発であった）、夕方以降に淀屋橋～八幡町（入庫列車は深草）系統を中心に運行していた。