F9 4567 then UA 4736 at Denver
St Louis → Denver → Hobbs
Timetable, Denver time
21:30F9 4567 from St Louis at the gate
14:10UA 4736 to Hobbs leaves the gate
16 h 40 apart on the timetable, overnight
UA 4736 leaves 16 h 40 after F9 4567 arrives on the timetable: more than half a day, so not a connection we count.