DL 1697 then DL 860 at Boston
Phoenix → Boston → San Francisco
Timetable, Boston time
21:00DL 1697 from Phoenix at the gate
10:05DL 860 to San Francisco leaves the gate
13 h 05 apart on the timetable, overnight
DL 860 leaves 13 h 05 after DL 1697 arrives on the timetable: more than half a day, so not a connection we count.