WN 2852 then UA 2224 at Phoenix
Pittsburgh → Phoenix → Houston
Timetable, Phoenix time
15:20WN 2852 from Pittsburgh at the gate
13:29UA 2224 to Houston leaves the gate
22 h 09 apart on the timetable, overnight
UA 2224 leaves 22 h 09 after WN 2852 arrives on the timetable: more than half a day, so not a connection we count.