WN 4189 then WN 1820 at Phoenix
St Louis → Phoenix → Lagos
Timetable, Phoenix time
00:15WN 4189 from St Louis at the gate
12:50WN 1820 to Lagos leaves the gate
12 h 35 apart on the timetable
WN 1820 leaves 12 h 35 after WN 4189 arrives on the timetable: more than half a day, so not a connection we count.