GateConnections

BA 192 then BA 438 at Heathrow

Dallas-Fort Worth → London → Amsterdam

Timetable, London time

12:15BA 192 from Dallas-Fort Worth at the gate

11:50BA 438 to Amsterdam leaves the gate

23 h 35 apart on the timetable, overnight

BA 438 leaves 23 h 35 after BA 192 arrives on the timetable: more than half a day, so not a connection we count.