VS 115 then DL 1692 at Atlanta
London → Atlanta → Philadelphia
Timetable, Atlanta time
14:25VS 115 from London at the gate
14:10DL 1692 to Philadelphia leaves the gate
23 h 45 apart on the timetable, overnight
DL 1692 leaves 23 h 45 after VS 115 arrives on the timetable: more than half a day, so not a connection we count.