AA 1840 then CX 3171 at Houston
Charlotte → Houston → Anchorage
Timetable, Houston time
22:48AA 1840 from Charlotte at the gate
17:00CX 3171 to Anchorage leaves the gate
18 h 12 apart on the timetable, overnight
CX 3171 leaves 18 h 12 after AA 1840 arrives on the timetable: more than half a day, so not a connection we count.