DL 2176 then WN 596 at Denver
Los Angeles → Denver → St Louis
Timetable, Denver time
18:52DL 2176 from Los Angeles at the gate
18:45WN 596 to St Louis leaves the gate
23 h 53 apart on the timetable, overnight
WN 596 leaves 23 h 53 after DL 2176 arrives on the timetable: more than half a day, so not a connection we count.