WN 8501 then UA 5643 at Denver
Reno → Denver → Santa Fe
Timetable, Denver time
17:35WN 8501 from Reno at the gate
15:50UA 5643 to Santa Fe leaves the gate
22 h 15 apart on the timetable, overnight
UA 5643 leaves 22 h 15 after WN 8501 arrives on the timetable: more than half a day, so not a connection we count.