DL 5619 then 2I 188 at Boston
Milwaukee → Boston → Cincinnati
Timetable, Boston time
22:02DL 5619 from Milwaukee at the gate
21:552I 188 to Cincinnati leaves the gate
23 h 53 apart on the timetable, overnight
2I 188 leaves 23 h 53 after DL 5619 arrives on the timetable: more than half a day, so not a connection we count.