VA 8075 then AC 5432 at San Francisco
Houston → San Francisco → Chicago O'Hare
Timetable, San Francisco time
07:28VA 8075 from Houston at the gate
22:45AC 5432 to Chicago O'Hare leaves the gatealso VA 8105
15 h 17 apart on the timetable
AC 5432 leaves 15 h 17 after VA 8075 arrives on the timetable: more than half a day, so not a connection we count.