QF 7554 then AA 4548 at O'Hare
New York JFK → Chicago → Des Moines
Timetable, Chicago time
09:56QF 7554 from New York JFK at the gate
22:53AA 4548 to Des Moines leaves the gate
12 h 57 apart on the timetable
AA 4548 leaves 12 h 57 after QF 7554 arrives on the timetable: more than half a day, so not a connection we count.