AC 8481 then QF 7554 at O'Hare
Montréal → Chicago → Dallas-Fort Worth
Timetable, Chicago time
15:02AC 8481 from Montréal at the gate
13:37QF 7554 to Dallas-Fort Worth leaves the gate
22 h 35 apart on the timetable, overnight
QF 7554 leaves 22 h 35 after AC 8481 arrives on the timetable: more than half a day, so not a connection we count.