DL 5771 then UA 1001 at Detroit
Indianapolis → Detroit → Denver
Timetable, Detroit time
18:14DL 5771 from Indianapolis at the gate
15:24UA 1001 to Denver leaves the gate
21 h 10 apart on the timetable, overnight
UA 1001 leaves 21 h 10 after DL 5771 arrives on the timetable: more than half a day, so not a connection we count.