DL 2535 then WN 1638 at Detroit
West Palm Beach → Detroit → Denver
Timetable, Detroit time
18:15DL 2535 from West Palm Beach at the gate
16:15WN 1638 to Denver leaves the gate
22 h apart on the timetable, overnight
WN 1638 leaves 22 h after DL 2535 arrives on the timetable: more than half a day, so not a connection we count.