DL 5647 then B6 1187 at Boston
Savannah → Boston → Los Angeles
Timetable, Boston time
17:15DL 5647 from Savannah at the gate
15:45B6 1187 to Los Angeles leaves the gate
22 h 30 apart on the timetable, overnight
B6 1187 leaves 22 h 30 after DL 5647 arrives on the timetable: more than half a day, so not a connection we count.