AA 1114 then DL 4917 at O'Hare
Las Vegas → Chicago → New York JFK
Timetable, Chicago time
05:59AA 1114 from Las Vegas at the gate
18:00DL 4917 to New York JFK leaves the gate
12 h 01 apart on the timetable
DL 4917 leaves 12 h 01 after AA 1114 arrives on the timetable: more than half a day, so not a connection we count.