BR 668 then AA 4460 at Atlanta
Anchorage → Atlanta → New York LaGuardia
Timetable, Atlanta time
15:43BR 668 from Anchorage at the gate
13:36AA 4460 to New York LaGuardia leaves the gate
21 h 53 apart on the timetable, overnight
AA 4460 leaves 21 h 53 after BR 668 arrives on the timetable: more than half a day, so not a connection we count.