AA 2541 then CX 3171 at Houston
Miami → Houston → Anchorage
Timetable, Houston time
21:59AA 2541 from Miami at the gate
17:00CX 3171 to Anchorage leaves the gate
19 h 01 apart on the timetable, overnight
CX 3171 leaves 19 h 01 after AA 2541 arrives on the timetable: more than half a day, so not a connection we count.