WN 893 then UA 1610 at Denver
Oklahoma City → Denver → Tucson
Timetable, Denver time
18:35WN 893 from Oklahoma City at the gate
13:45UA 1610 to Tucson leaves the gate
19 h 10 apart on the timetable, overnight
UA 1610 leaves 19 h 10 after WN 893 arrives on the timetable: more than half a day, so not a connection we count.