AA 78 then BA 1332 at Heathrow
Dallas-Fort Worth → London → Newcastle
Timetable, London time
12:10AA 78 from Dallas-Fort Worth at the gate
11:35BA 1332 to Newcastle leaves the gate
23 h 25 apart on the timetable, overnight
BA 1332 leaves 23 h 25 after AA 78 arrives on the timetable: more than half a day, so not a connection we count.