WN 893 then UA 2473 at Denver
Oklahoma City → Denver → Knoxville
Timetable, Denver time
18:35WN 893 from Oklahoma City at the gate
17:42UA 2473 to Knoxville leaves the gate
23 h 07 apart on the timetable, overnight
UA 2473 leaves 23 h 07 after WN 893 arrives on the timetable: more than half a day, so not a connection we count.