AC 4533 then EK 6420 at San Francisco
Sacramento → San Francisco → Houston
Timetable, San Francisco time
21:41AC 4533 from Sacramento at the gate
18:35EK 6420 to Houston leaves the gatealso NH 6492, VA 8081, NZ 9199
20 h 54 apart on the timetable, overnight
EK 6420 leaves 20 h 54 after AC 4533 arrives on the timetable: more than half a day, so not a connection we count.