QF 21 then AA 1974 at DFW
Melbourne → Dallas-Fort Worth → Chicago O'Hare
Timetable, Dallas-Fort Worth time
10:55QF 21 from Melbourne at the gate
06:12AA 1974 to Chicago O'Hare leaves the gate
19 h 17 apart on the timetable, overnight
AA 1974 leaves 19 h 17 after QF 21 arrives on the timetable: more than half a day, so not a connection we count.