WN 679 then BA 66 at Philadelphia
Nashville → Philadelphia → London
Timetable, Philadelphia time
19:05WN 679 from Nashville at the gate
18:35BA 66 to London leaves the gate
23 h 30 apart on the timetable, overnight
BA 66 leaves 23 h 30 after WN 679 arrives on the timetable: more than half a day, so not a connection we count.