DL 5619 then B6 907 at Boston
Milwaukee → Boston → Nashville
Timetable, Boston time
22:02DL 5619 from Milwaukee at the gate
21:20B6 907 to Nashville leaves the gate
23 h 18 apart on the timetable, overnight
B6 907 leaves 23 h 18 after DL 5619 arrives on the timetable: more than half a day, so not a connection we count.