B6 324 then BA 172 at JFK
Los Angeles → New York → London Heathrow
Timetable, New York time
22:12B6 324 from Los Angeles at the gate
20:40BA 172 to London Heathrow leaves the gate
22 h 28 apart on the timetable, overnight
BA 172 leaves 22 h 28 after B6 324 arrives on the timetable: more than half a day, so not a connection we count.