F9 2350 then WN 914 at Denver
Las Vegas → Denver → Knoxville
Timetable, Denver time
14:41F9 2350 from Las Vegas at the gate
11:00WN 914 to Knoxville leaves the gate
20 h 19 apart on the timetable, overnight
WN 914 leaves 20 h 19 after F9 2350 arrives on the timetable: more than half a day, so not a connection we count.