AA 4504 then DL 2917 at O'Hare
South Bend → Chicago → New York LaGuardia
Timetable, Chicago time
18:35AA 4504 from South Bend at the gate
10:06DL 2917 to New York LaGuardia leaves the gate
15 h 31 apart on the timetable, overnight
DL 2917 leaves 15 h 31 after AA 4504 arrives on the timetable: more than half a day, so not a connection we count.