UA 4792 then QF 7554 at O'Hare
Moline → Chicago → Dallas-Fort Worth
Timetable, Chicago time
16:00UA 4792 from Moline at the gate
13:37QF 7554 to Dallas-Fort Worth leaves the gate
21 h 37 apart on the timetable, overnight
QF 7554 leaves 21 h 37 after UA 4792 arrives on the timetable: more than half a day, so not a connection we count.