BR 668 then DL 2168 at Atlanta
Anchorage → Atlanta → Key West
Timetable, Atlanta time
15:43BR 668 from Anchorage at the gate
15:24DL 2168 to Key West leaves the gate
23 h 41 apart on the timetable, overnight
DL 2168 leaves 23 h 41 after BR 668 arrives on the timetable: more than half a day, so not a connection we count.