UA 64 then EC 7673 at Lisbon
Newark → Lisbon → Boa Vista
Timetable, Lisbon time
08:10UA 64 from Newark at the gate
07:05EC 7673 to Boa Vista leaves the gate
22 h 55 apart on the timetable, overnight
EC 7673 leaves 22 h 55 after UA 64 arrives on the timetable: more than half a day, so not a connection we count.