UA 934 then KE 504 at Heathrow
Newark → London → Paris Charles de Gaulle
Timetable, London time
20:35UA 934 from Newark at the gate
20:11KE 504 to Paris Charles de Gaulle leaves the gate
23 h 36 apart on the timetable, overnight
KE 504 leaves 23 h 36 after UA 934 arrives on the timetable: more than half a day, so not a connection we count.