DL 5614 then AA 3220 at Boston
Milwaukee → Boston → Dallas-Fort Worth
Timetable, Boston time
17:53DL 5614 from Milwaukee at the gate
15:52AA 3220 to Dallas-Fort Worth leaves the gate
21 h 59 apart on the timetable, overnight
AA 3220 leaves 21 h 59 after DL 5614 arrives on the timetable: more than half a day, so not a connection we count.