WN 4672 then DL 797 at Boston
San Diego → Boston → Seattle
Timetable, Boston time
19:50WN 4672 from San Diego at the gate
19:25DL 797 to Seattle leaves the gate
23 h 35 apart on the timetable, overnight
DL 797 leaves 23 h 35 after WN 4672 arrives on the timetable: more than half a day, so not a connection we count.