WN 562 then UA 6000 at Denver
New York LaGuardia → Denver → Tucson
Timetable, Denver time
18:35WN 562 from New York LaGuardia at the gate
13:45UA 6000 to Tucson leaves the gate
19 h 10 apart on the timetable, overnight
UA 6000 leaves 19 h 10 after WN 562 arrives on the timetable: more than half a day, so not a connection we count.