DL 2755 then AA 2910 at Atlanta
Norfolk → Atlanta → Chicago O'Hare
Timetable, Atlanta time
15:30DL 2755 from Norfolk at the gate
15:15AA 2910 to Chicago O'Hare leaves the gate
23 h 45 apart on the timetable, overnight
AA 2910 leaves 23 h 45 after DL 2755 arrives on the timetable: more than half a day, so not a connection we count.