AA 2120 then CX 7996 at San Francisco
Dallas-Fort Worth → San Francisco → Seattle
Timetable, San Francisco time
08:56AA 2120 from Dallas-Fort Worth at the gatealso IB 8018
20:58CX 7996 to Seattle leaves the gate
12 h 02 apart on the timetable
CX 7996 leaves 12 h 02 after AA 2120 arrives on the timetable: more than half a day, so not a connection we count.