AA 4998 then CX 3171 at Houston
Los Angeles → Houston → Anchorage
Timetable, Houston time
19:34AA 4998 from Los Angeles at the gate
17:00CX 3171 to Anchorage leaves the gate
21 h 26 apart on the timetable, overnight
CX 3171 leaves 21 h 26 after AA 4998 arrives on the timetable: more than half a day, so not a connection we count.