F9 1147 then DL 140 at Atlanta
Philadelphia → Atlanta → Brussels
Timetable, Atlanta time
20:43F9 1147 from Philadelphia at the gate
20:40DL 140 to Brussels leaves the gate
23 h 57 apart on the timetable, overnight
DL 140 leaves 23 h 57 after F9 1147 arrives on the timetable: more than half a day, so not a connection we count.