AA 4103 then DL 4010 at Detroit
Chicago O'Hare → Detroit → Lexington
Timetable, Detroit time
09:25AA 4103 from Chicago O'Hare at the gate
08:25DL 4010 to Lexington leaves the gate
23 h apart on the timetable, overnight
DL 4010 leaves 23 h after AA 4103 arrives on the timetable: more than half a day, so not a connection we count.