DL 124 then FR 3953 at Lisbon
Boston → Lisbon → Manchester
Timetable, Lisbon time
09:00DL 124 from Boston at the gate
06:40FR 3953 to Manchester leaves the gate
21 h 40 apart on the timetable, overnight
FR 3953 leaves 21 h 40 after DL 124 arrives on the timetable: more than half a day, so not a connection we count.