AC 7303 then AA 4460 at Atlanta
Dallas-Fort Worth → Atlanta → New York LaGuardia
Timetable, Atlanta time
15:53AC 7303 from Dallas-Fort Worth at the gate
14:49AA 4460 to New York LaGuardia leaves the gate
22 h 56 apart on the timetable, overnight
AA 4460 leaves 22 h 56 after AC 7303 arrives on the timetable: more than half a day, so not a connection we count.