WN 3238 then B6 9003 at Boston
Nashville → Boston → Columbia
Timetable, Boston time
17:20WN 3238 from Nashville at the gate
09:50B6 9003 to Columbia leaves the gate
16 h 30 apart on the timetable, overnight
B6 9003 leaves 16 h 30 after WN 3238 arrives on the timetable: more than half a day, so not a connection we count.