DL 5244 then DL 1329 at Atlanta
Huntsville → Atlanta → Philadelphia
Timetable, Atlanta time
17:05DL 5244 from Huntsville at the gate
16:59DL 1329 to Philadelphia leaves the gate
23 h 54 apart on the timetable, overnight
DL 1329 leaves 23 h 54 after DL 5244 arrives on the timetable: more than half a day, so not a connection we count.