MQ 4471 then AA 1389 at Miami
Savannah → Miami → New York LaGuardia
Timetable, Miami time
20:38MQ 4471 from Savannah at the gate
20:36AA 1389 to New York LaGuardia leaves the gate
23 h 58 apart on the timetable, overnight
AA 1389 leaves 23 h 58 after MQ 4471 arrives on the timetable: more than half a day, so not a connection we count.