UA 1216 then CX 2071 at Houston
Miami → Houston → Anchorage
Timetable, Houston time
19:08UA 1216 from Miami at the gate
18:39CX 2071 to Anchorage leaves the gate
23 h 31 apart on the timetable, overnight
CX 2071 leaves 23 h 31 after UA 1216 arrives on the timetable: more than half a day, so not a connection we count.