WN 893 then UA 568 at Denver
Oklahoma City → Denver → Dallas-Fort Worth
Timetable, Denver time
18:35WN 893 from Oklahoma City at the gate
09:37UA 568 to Dallas-Fort Worth leaves the gate
15 h 02 apart on the timetable, overnight
UA 568 leaves 15 h 02 after WN 893 arrives on the timetable: more than half a day, so not a connection we count.