DL 5619 then AA 1123 at Boston
Milwaukee → Boston → Philadelphia
Timetable, Boston time
22:02DL 5619 from Milwaukee at the gate
20:50AA 1123 to Philadelphia leaves the gate
22 h 48 apart on the timetable, overnight
AA 1123 leaves 22 h 48 after DL 5619 arrives on the timetable: more than half a day, so not a connection we count.