WN 342 then UA 2789 at Denver
Santa Ana → Denver → Memphis
Timetable, Denver time
16:40WN 342 from Santa Ana at the gate
11:25UA 2789 to Memphis leaves the gate
18 h 45 apart on the timetable, overnight
UA 2789 leaves 18 h 45 after WN 342 arrives on the timetable: more than half a day, so not a connection we count.