WN 1501 then DL 1697 at Phoenix
Lagos → Phoenix → Boston
Timetable, Phoenix time
21:00WN 1501 from Lagos at the gate
14:20DL 1697 to Boston leaves the gate
17 h 20 apart on the timetable, overnight
DL 1697 leaves 17 h 20 after WN 1501 arrives on the timetable: more than half a day, so not a connection we count.