AA 9605 then BA 1316 at Heathrow
Dallas-Fort Worth → London → Aberdeen
Timetable, London time
12:10AA 9605 from Dallas-Fort Worth at the gate
17:00BA 1316 to Aberdeen leaves the gate
4 h 50 apart on the timetable
The last days
AA 9605 and BA 1316 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.