BA 1333 then BA 297 at Heathrow
Newcastle → London → Chicago
Timetable, London time
17:10BA 1333 from Newcastle at the gate
15:40BA 297 to Chicago leaves the gate
22 h 30 apart on the timetable, overnight
BA 297 leaves 22 h 30 after BA 1333 arrives on the timetable: more than half a day, so not a connection we count.