DL 5703 then DL 816 at Boston
Baltimore → Boston → San Antonio
Timetable, Boston time
10:41DL 5703 from Baltimore at the gate
09:20DL 816 to San Antonio leaves the gate
22 h 39 apart on the timetable, overnight
DL 816 leaves 22 h 39 after DL 5703 arrives on the timetable: more than half a day, so not a connection we count.