AA 1827 then UA 3912 at San Francisco
Miami → San Francisco → Houston
Timetable, San Francisco time
10:53AA 1827 from Miami at the gatealso QF 3076, G3 3642, AT 5141, JL 7547
23:00UA 3912 to Houston leaves the gate
12 h 07 apart on the timetable
UA 3912 leaves 12 h 07 after AA 1827 arrives on the timetable: more than half a day, so not a connection we count.