AA 4545 then UA 6016 at O'Hare
Tulsa → Chicago → Green Bay
Timetable, Chicago time
20:05AA 4545 from Tulsa at the gate
19:52UA 6016 to Green Bay leaves the gate
23 h 47 apart on the timetable, overnight
UA 6016 leaves 23 h 47 after AA 4545 arrives on the timetable: more than half a day, so not a connection we count.