2T 303 then DL 1655 at Boston
Hamilton → Boston → San Francisco
Timetable, Boston time
17:102T 303 from Hamilton at the gate
16:50DL 1655 to San Francisco leaves the gate
23 h 40 apart on the timetable, overnight
DL 1655 leaves 23 h 40 after 2T 303 arrives on the timetable: more than half a day, so not a connection we count.