WN 2952 then UA 6000 at Denver
Los Angeles → Denver → Tucson
Timetable, Denver time
22:10WN 2952 from Los Angeles at the gate
13:45UA 6000 to Tucson leaves the gate
15 h 35 apart on the timetable, overnight
UA 6000 leaves 15 h 35 after WN 2952 arrives on the timetable: more than half a day, so not a connection we count.