AA 9909 then DL 3951 at Phoenix
Salt Lake City → Phoenix → Lagos
Timetable, Phoenix time
14:30AA 9909 from Salt Lake City at the gate
13:16DL 3951 to Lagos leaves the gate
22 h 46 apart on the timetable, overnight
DL 3951 leaves 22 h 46 after AA 9909 arrives on the timetable: more than half a day, so not a connection we count.