DL 1605 then UA 1001 at Detroit
Fort Lauderdale → Detroit → Denver
Timetable, Detroit time
15:54DL 1605 from Fort Lauderdale at the gate
15:24UA 1001 to Denver leaves the gate
23 h 30 apart on the timetable, overnight
UA 1001 leaves 23 h 30 after DL 1605 arrives on the timetable: more than half a day, so not a connection we count.