QF 7554 then FX 1247 at O'Hare
New York JFK → Chicago → Memphis
Timetable, Chicago time
09:56QF 7554 from New York JFK at the gate
22:50FX 1247 to Memphis leaves the gate
12 h 54 apart on the timetable
FX 1247 leaves 12 h 54 after QF 7554 arrives on the timetable: more than half a day, so not a connection we count.