DL 5232 then WN 1422 at Detroit
Memphis → Detroit → Denver
Timetable, Detroit time
20:50DL 5232 from Memphis at the gate
18:15WN 1422 to Denver leaves the gate
21 h 25 apart on the timetable, overnight
WN 1422 leaves 21 h 25 after DL 5232 arrives on the timetable: more than half a day, so not a connection we count.