WN 4189 then AA 1841 at Phoenix
St Louis → Phoenix → Ontario
Timetable, Phoenix time
00:15WN 4189 from St Louis at the gate
21:51AA 1841 to Ontario leaves the gate
21 h 36 apart on the timetable
AA 1841 leaves 21 h 36 after WN 4189 arrives on the timetable: more than half a day, so not a connection we count.