F9 4993 then QF 8 at DFW
New Orleans → Dallas-Fort Worth → Sydney
Timetable, Dallas-Fort Worth time
21:07F9 4993 from New Orleans at the gate
20:45QF 8 to Sydney leaves the gate
23 h 38 apart on the timetable, overnight
QF 8 leaves 23 h 38 after F9 4993 arrives on the timetable: more than half a day, so not a connection we count.