https://books.google.com/ngrams/graph?content=conform+to+schedule%2Cadjust+to+his+schedule%2Cfit+into+his+schedule%2C+put+on+his+schedule&year_start=1800&year_end=2000&corpus=15&smoothing=3&share=&direct_url=t1%3B%2Cconform%20to%20schedule%3B%2Cc0%3B.t1%3B%2Cadjust%20to%20his%20schedule%3B%2Cc0%3B.t1%3B%2Cfit%20into%20his%20schedule%3B%2Cc0%3B.t1%3B%2Cput%20on%20his%20schedule%3B%2Cc0

AL, to fit smth into smb's schedule - включить что-либо в график, найти время для чего-то. Это другое значение.
https://www.google.ru/search?q=%22fit+into+his+schedule%22&tbm=bks&lr=lang_en&gws_rd=cr&dcr=0&ei=gT1_Wr-DFMWsswHnkL6ICQ

To conform to schedule - быть в соответствии с графиком
To put smth on someone's sChedule - включить что-либо в график
https://forum.wordreference.com/threads/put-something-in-on-schedule.2279801/