DL 5703 then B6 219 at Boston
Baltimore → Boston → San Diego
Timetable, Boston time
10:41DL 5703 from Baltimore at the gate
09:30B6 219 to San Diego leaves the gate
22 h 49 apart on the timetable, overnight
B6 219 leaves 22 h 49 after DL 5703 arrives on the timetable: more than half a day, so not a connection we count.