WN 2852 then WN 1316 at Phoenix
Pittsburgh → Phoenix → St Louis
Timetable, Phoenix time
15:20WN 2852 from Pittsburgh at the gate
12:50WN 1316 to St Louis leaves the gate
21 h 30 apart on the timetable, overnight
WN 1316 leaves 21 h 30 after WN 2852 arrives on the timetable: more than half a day, so not a connection we count.