F9 3242 then QF 7552 at O'Hare
Dallas-Fort Worth → Chicago → Los Angeles
Timetable, Chicago time
19:15F9 3242 from Dallas-Fort Worth at the gate
18:50QF 7552 to Los Angeles leaves the gate
23 h 35 apart on the timetable, overnight
QF 7552 leaves 23 h 35 after F9 3242 arrives on the timetable: more than half a day, so not a connection we count.