WN 2852 then WN 2696 at Phoenix
Pittsburgh → Phoenix → St Louis
Timetable, Phoenix time
15:20WN 2852 from Pittsburgh at the gate
15:10WN 2696 to St Louis leaves the gate
23 h 50 apart on the timetable, overnight
WN 2696 leaves 23 h 50 after WN 2852 arrives on the timetable: more than half a day, so not a connection we count.