DL 5703 then B6 111 at Boston
Baltimore → Boston → Chicago O'Hare
Timetable, Boston time
10:41DL 5703 from Baltimore at the gate
09:59B6 111 to Chicago O'Hare leaves the gate
23 h 18 apart on the timetable, overnight
B6 111 leaves 23 h 18 after DL 5703 arrives on the timetable: more than half a day, so not a connection we count.