UA 4648 then DL 2442 at Phoenix
Lagos → Phoenix → Seattle
Timetable, Phoenix time
18:56UA 4648 from Lagos at the gate
18:36DL 2442 to Seattle leaves the gate
23 h 40 apart on the timetable, overnight
DL 2442 leaves 23 h 40 after UA 4648 arrives on the timetable: more than half a day, so not a connection we count.