F9 2297 then DL 3507 at Atlanta
Philadelphia → Atlanta → Shreveport
Timetable, Atlanta time
11:07F9 2297 from Philadelphia at the gate
11:00DL 3507 to Shreveport leaves the gate
23 h 53 apart on the timetable, overnight
DL 3507 leaves 23 h 53 after F9 2297 arrives on the timetable: more than half a day, so not a connection we count.