DL 5519 then AA 4514 at Atlanta
Tri-Cities → Atlanta → New York LaGuardia
Timetable, Atlanta time
16:49DL 5519 from Tri-Cities at the gate
16:45AA 4514 to New York LaGuardia leaves the gate
23 h 56 apart on the timetable, overnight
AA 4514 leaves 23 h 56 after DL 5519 arrives on the timetable: more than half a day, so not a connection we count.