UA 3875 then UA 8202 at San Francisco
IAB → San Francisco → Houston
Timetable, San Francisco time
01:46UA 3875 from IAB at the gate
18:42UA 8202 to Houston leaves the gate
16 h 56 apart on the timetable
UA 8202 leaves 16 h 56 after UA 3875 arrives on the timetable: more than half a day, so not a connection we count.