AA 3449 then QF 7554 at O'Hare
Fargo → Chicago → Dallas-Fort Worth
Timetable, Chicago time
15:04AA 3449 from Fargo at the gate
13:37QF 7554 to Dallas-Fort Worth leaves the gate
22 h 33 apart on the timetable, overnight
QF 7554 leaves 22 h 33 after AA 3449 arrives on the timetable: more than half a day, so not a connection we count.