DL 5161 then AA 4689 at Atlanta
Montgomery → Atlanta → Washington National
Timetable, Atlanta time
20:35DL 5161 from Montgomery at the gate
20:15AA 4689 to Washington National leaves the gate
23 h 40 apart on the timetable, overnight
AA 4689 leaves 23 h 40 after DL 5161 arrives on the timetable: more than half a day, so not a connection we count.