AA 50 then BA 750 at Heathrow
Dallas-Fort Worth → London → Geneva
Timetable, London time
06:50AA 50 from Dallas-Fort Worth at the gate
19:55BA 750 to Geneva leaves the gate
13 h 05 apart on the timetable
BA 750 leaves 13 h 05 after AA 50 arrives on the timetable: more than half a day, so not a connection we count.