UA 365 then CX 3171 at Houston
Philadelphia → Houston → Anchorage
Timetable, Houston time
22:42UA 365 from Philadelphia at the gate
17:58CX 3171 to Anchorage leaves the gate
19 h 16 apart on the timetable, overnight
CX 3171 leaves 19 h 16 after UA 365 arrives on the timetable: more than half a day, so not a connection we count.