DL 4671 then AA 2376 at Detroit
Harrisburg → Detroit → Charlotte
Timetable, Detroit time
13:47DL 4671 from Harrisburg at the gate
13:38AA 2376 to Charlotte leaves the gate
23 h 51 apart on the timetable, overnight
AA 2376 leaves 23 h 51 after DL 4671 arrives on the timetable: more than half a day, so not a connection we count.