DL 5864 then DL 1655 at Boston
Green Bay → Boston → San Francisco
Timetable, Boston time
16:56DL 5864 from Green Bay at the gate
16:50DL 1655 to San Francisco leaves the gate
23 h 54 apart on the timetable, overnight
DL 1655 leaves 23 h 54 after DL 5864 arrives on the timetable: more than half a day, so not a connection we count.