WN 452 then AA 3681 at Phoenix
Baltimore → Phoenix → Houston
Timetable, Phoenix time
13:10WN 452 from Baltimore at the gate
12:45AA 3681 to Houston leaves the gate
23 h 35 apart on the timetable, overnight
AA 3681 leaves 23 h 35 after WN 452 arrives on the timetable: more than half a day, so not a connection we count.