WN 4672 then DL 973 at Boston
San Diego → Boston → Atlanta
Timetable, Boston time
19:50WN 4672 from San Diego at the gate
19:00DL 973 to Atlanta leaves the gate
23 h 10 apart on the timetable, overnight
DL 973 leaves 23 h 10 after WN 4672 arrives on the timetable: more than half a day, so not a connection we count.