AA 1428 then WN 2544 at Phoenix
DES → Phoenix → St Louis
Timetable, Phoenix time
10:29AA 1428 from DES at the gate
10:00WN 2544 to St Louis leaves the gate
23 h 31 apart on the timetable, overnight
WN 2544 leaves 23 h 31 after AA 1428 arrives on the timetable: more than half a day, so not a connection we count.