DL 5101 then AA 6325 at Detroit
Louisville → Detroit → Chicago O'Hare
Timetable, Detroit time
12:04DL 5101 from Louisville at the gate
00:30AA 6325 to Chicago O'Hare leaves the gate
12 h 26 apart on the timetable, overnight
AA 6325 leaves 12 h 26 after DL 5101 arrives on the timetable: more than half a day, so not a connection we count.