DL 5771 then DL 4997 at Detroit
Indianapolis → Detroit → Lexington
Timetable, Detroit time
18:14DL 5771 from Indianapolis at the gate
15:52DL 4997 to Lexington leaves the gate
21 h 38 apart on the timetable, overnight
DL 4997 leaves 21 h 38 after DL 5771 arrives on the timetable: more than half a day, so not a connection we count.