DL 1967 then BA 212 at Boston
New Orleans → Boston → London
Timetable, Boston time
18:54DL 1967 from New Orleans at the gate
18:45BA 212 to London leaves the gate
23 h 51 apart on the timetable, overnight
BA 212 leaves 23 h 51 after DL 1967 arrives on the timetable: more than half a day, so not a connection we count.