F9 687 then WN 500 at Denver
Washington National → Denver → Kansas City
Timetable, Denver time
15:09F9 687 from Washington National at the gate
07:30WN 500 to Kansas City leaves the gate
16 h 21 apart on the timetable, overnight
WN 500 leaves 16 h 21 after F9 687 arrives on the timetable: more than half a day, so not a connection we count.