DL 2999 then DL 2823 at Atlanta
Milwaukee → Atlanta → Panama City Beach
Timetable, Atlanta time
13:21DL 2999 from Milwaukee at the gate
12:39DL 2823 to Panama City Beach leaves the gate
23 h 18 apart on the timetable, overnight
DL 2823 leaves 23 h 18 after DL 2999 arrives on the timetable: more than half a day, so not a connection we count.