AA 3944 then WN 3526 at Phoenix
Palm Springs → Phoenix → St Louis
Timetable, Phoenix time
11:57AA 3944 from Palm Springs at the gate
11:20WN 3526 to St Louis leaves the gate
23 h 23 apart on the timetable, overnight
WN 3526 leaves 23 h 23 after AA 3944 arrives on the timetable: more than half a day, so not a connection we count.