WN 931 then WN 1173 at Phoenix
Lagos → Phoenix → Chicago Midway
Timetable, Phoenix time
08:15WN 931 from Lagos at the gate
07:35WN 1173 to Chicago Midway leaves the gate
23 h 20 apart on the timetable, overnight
WN 1173 leaves 23 h 20 after WN 931 arrives on the timetable: more than half a day, so not a connection we count.