UA 5654 then DL 514 at Phoenix
Lagos → Phoenix → Boston
Timetable, Phoenix time
10:40UA 5654 from Lagos at the gate
23:23DL 514 to Boston leaves the gate
12 h 43 apart on the timetable
DL 514 leaves 12 h 43 after UA 5654 arrives on the timetable: more than half a day, so not a connection we count.