DL 124 then EC 7673 at Lisbon
Boston → Lisbon → Boa Vista
Timetable, Lisbon time
08:55DL 124 from Boston at the gate
07:05EC 7673 to Boa Vista leaves the gate
22 h 10 apart on the timetable, overnight
EC 7673 leaves 22 h 10 after DL 124 arrives on the timetable: more than half a day, so not a connection we count.