DL 2917 then AA 5393 at O'Hare
New York LaGuardia → Chicago → Dayton
Timetable, Chicago time
09:28DL 2917 from New York LaGuardia at the gate
09:19AA 5393 to Dayton leaves the gate
23 h 51 apart on the timetable, overnight
AA 5393 leaves 23 h 51 after DL 2917 arrives on the timetable: more than half a day, so not a connection we count.