AA 1731 then VA 8079 at San Francisco
Dallas-Fort Worth → San Francisco → Houston
Timetable, San Francisco time
15:10AA 1731 from Dallas-Fort Worth at the gatealso QR 2239, QR 2719, QF 4747
12:00VA 8079 to Houston leaves the gatealso NZ 9195
20 h 50 apart on the timetable, overnight
VA 8079 leaves 20 h 50 after AA 1731 arrives on the timetable: more than half a day, so not a connection we count.